diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
index e2c671d6166..364d1f4976f 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
@@ -38,6 +38,7 @@ import org.jetbrains.kotlin.codegen.binding.CodegenBinding;
 import org.jetbrains.kotlin.codegen.context.*;
 import org.jetbrains.kotlin.codegen.extensions.ExpressionCodegenExtension;
 import org.jetbrains.kotlin.codegen.inline.*;
+import org.jetbrains.kotlin.codegen.intrinsics.IntrinsicCallable;
 import org.jetbrains.kotlin.codegen.intrinsics.IntrinsicMethod;
 import org.jetbrains.kotlin.codegen.intrinsics.IntrinsicMethods;
 import org.jetbrains.kotlin.codegen.intrinsics.IntrinsicPropertyGetter;
@@ -3131,7 +3132,8 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
         StackValue rightValue;
         Type leftType = expressionType(left);
         Type rightType = expressionType(right);
-        if (isPrimitive(leftType) && isPrimitive(rightType)) {
+        Callable callable = resolveToCallable((FunctionDescriptor) resolvedCall.getResultingDescriptor(), false, resolvedCall);
+        if (callable instanceof IntrinsicCallable) {
             type = comparisonOperandType(leftType, rightType);
             leftValue = gen(left);
             rightValue = gen(right);
diff --git a/compiler/testData/codegen/box/binaryOp/kt11163.kt b/compiler/testData/codegen/box/binaryOp/kt11163.kt
new file mode 100644
index 00000000000..6a20534e140
--- /dev/null
+++ b/compiler/testData/codegen/box/binaryOp/kt11163.kt
@@ -0,0 +1,12 @@
+operator fun Int.compareTo(c: Char) = 0
+
+fun foo(x: Int, y: Char): String {
+    if (x < y) {
+        throw Error()
+    }
+    return "${y}K"
+}
+
+fun box(): String {
+    return foo(42, 'O')
+}
\ No newline at end of file
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java
index a50fb8e659a..b90e4b2aaa4 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java
@@ -367,6 +367,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("kt11163.kt")
+        public void testKt11163() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/binaryOp/kt11163.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("kt6747_identityEquals.kt")
         public void testKt6747_identityEquals() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/binaryOp/kt6747_identityEquals.kt");