diff --git a/j2k/src/org/jetbrains/kotlin/j2k/ExpressionConverter.kt b/j2k/src/org/jetbrains/kotlin/j2k/ExpressionConverter.kt
index 92dcef60175..a5c9a7babbd 100644
--- a/j2k/src/org/jetbrains/kotlin/j2k/ExpressionConverter.kt
+++ b/j2k/src/org/jetbrains/kotlin/j2k/ExpressionConverter.kt
@@ -197,6 +197,8 @@ class DefaultExpressionConverter : JavaElementVisitor(), ExpressionConverter {
             is PsiPrimitiveType, is PsiArrayType -> return true
 
             is PsiClassType -> {
+                if (right?.type is PsiPrimitiveType) return true
+
                 val psiClass = type.resolve() ?: return false
                 if (!psiClass.hasModifierProperty(PsiModifier.FINAL)) return false
                 if (psiClass.isEnum) return true
diff --git a/j2k/testData/fileOrElement/issues/kt-19634.java b/j2k/testData/fileOrElement/issues/kt-19634.java
new file mode 100644
index 00000000000..cfca75d96ee
--- /dev/null
+++ b/j2k/testData/fileOrElement/issues/kt-19634.java
@@ -0,0 +1,5 @@
+public class TestBoxedEqEqPrimitive {
+    public boolean test(Double value) {
+        return value == 3.14;
+    }
+}
\ No newline at end of file
diff --git a/j2k/testData/fileOrElement/issues/kt-19634.kt b/j2k/testData/fileOrElement/issues/kt-19634.kt
new file mode 100644
index 00000000000..4cb339d8e69
--- /dev/null
+++ b/j2k/testData/fileOrElement/issues/kt-19634.kt
@@ -0,0 +1,5 @@
+class TestBoxedEqEqPrimitive {
+    fun test(value: Double?): Boolean {
+        return value == 3.14
+    }
+}
\ No newline at end of file
diff --git a/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterForWebDemoTestGenerated.java b/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterForWebDemoTestGenerated.java
index c80914cfb80..6fb5d6b5390 100644
--- a/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterForWebDemoTestGenerated.java
+++ b/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterForWebDemoTestGenerated.java
@@ -2933,6 +2933,12 @@ public class JavaToKotlinConverterForWebDemoTestGenerated extends AbstractJavaTo
             doTest(fileName);
         }
 
+        @TestMetadata("kt-19634.java")
+        public void testKt_19634() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/issues/kt-19634.java");
+            doTest(fileName);
+        }
+
         @TestMetadata("kt-5294.java")
         public void testKt_5294() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/issues/kt-5294.java");
diff --git a/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterSingleFileTestGenerated.java b/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterSingleFileTestGenerated.java
index 7742532e810..3bf0bb1ec5d 100644
--- a/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterSingleFileTestGenerated.java
+++ b/j2k/tests/org/jetbrains/kotlin/j2k/JavaToKotlinConverterSingleFileTestGenerated.java
@@ -2933,6 +2933,12 @@ public class JavaToKotlinConverterSingleFileTestGenerated extends AbstractJavaTo
             doTest(fileName);
         }
 
+        @TestMetadata("kt-19634.java")
+        public void testKt_19634() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/issues/kt-19634.java");
+            doTest(fileName);
+        }
+
         @TestMetadata("kt-5294.java")
         public void testKt_5294() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("j2k/testData/fileOrElement/issues/kt-5294.java");