diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
index a82107266c7..2ff32e7fc7a 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
@@ -41098,6 +41098,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @Test
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @Test
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/resolve/constants/evaluate/ConstantExpressionEvaluator.kt b/compiler/frontend/src/org/jetbrains/kotlin/resolve/constants/evaluate/ConstantExpressionEvaluator.kt
index 664fa4ea8fb..95da06dd7d1 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/resolve/constants/evaluate/ConstantExpressionEvaluator.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/resolve/constants/evaluate/ConstantExpressionEvaluator.kt
@@ -1065,7 +1065,7 @@ private class ConstantExpressionEvaluatorVisitor(
         val uInt = constantExpressionEvaluator.module.findClassAcrossModuleDependencies(StandardNames.FqNames.uInt) ?: return false
         val accessibility = uInt.checkSinceKotlinVersionAccessibility(languageVersionSettings)
         // Case `NotAccessibleButWasExperimental` will be checked later in `checkExperimentalityOfConstantLiteral`
-        return accessibility is SinceKotlinAccessibility.Accessible
+        return accessibility !is SinceKotlinAccessibility.NotAccessible
     }
 
     private fun <T> ConstantValue<T>.wrap(parameters: CompileTimeConstant.Parameters): TypedCompileTimeConstant<T> =
diff --git a/compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt b/compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt
new file mode 100644
index 00000000000..774f7c86a60
--- /dev/null
+++ b/compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt
@@ -0,0 +1,12 @@
+// !API_VERSION: 1.4
+// KJS_WITH_FULL_RUNTIME
+// WITH_RUNTIME
+
+val x = 0u
+val y = 0uL
+
+fun box(): String {
+    if (x != 0u)  return "Fail 1"
+    if (y != 0uL) return "Fail 2"
+    return "OK"
+}
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
index 5628c38d3b2..2dda97297e9 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
@@ -41074,6 +41074,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @Test
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @Test
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
index f8bc1e8695f..6d44085b095 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
@@ -41098,6 +41098,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @Test
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @Test
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index c6993c01501..3befa4f2c91 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -33019,6 +33019,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsWithSignedOverflow.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
index e68d7f5343b..d3d352d72fa 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
@@ -27749,6 +27749,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsWithSignedOverflow.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
index 1c5cbd0f797..a18b10ab2b5 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
@@ -27160,6 +27160,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsWithSignedOverflow.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index b38fc49d4b6..62daaf07683 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -27120,6 +27120,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsWithSignedOverflow.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
index f37c35e53cf..d4d868d7fff 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
@@ -15303,6 +15303,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsForMaxLongValue.kt");
         }
 
+        @TestMetadata("unsignedLiteralsInApiVersion14.kt")
+        public void testUnsignedLiteralsInApiVersion14() throws Exception {
+            runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsInApiVersion14.kt");
+        }
+
         @TestMetadata("unsignedLiteralsWithSignedOverflow.kt")
         public void testUnsignedLiteralsWithSignedOverflow() throws Exception {
             runTest("compiler/testData/codegen/box/unsignedTypes/unsignedLiteralsWithSignedOverflow.kt");