diff --git a/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/StubIrMetadataEmitter.kt b/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/StubIrMetadataEmitter.kt
index 8f82dcc0413..3421a20f79a 100644
--- a/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/StubIrMetadataEmitter.kt
+++ b/Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/StubIrMetadataEmitter.kt
@@ -359,7 +359,7 @@ private class MappingExtensions(
 
     val ConstructorStub.flags: Flags
         get() = flagsOfNotNull(
-                isSecondaryConstructorFlag.takeIf { !isPrimary },
+                Flag.Constructor.IS_SECONDARY.takeIf { !isPrimary },
                 Flag.HAS_ANNOTATIONS.takeIf { annotations.isNotEmpty() }
         ) or visibility.flags
 
diff --git a/build-tools/src/main/kotlin/org/jetbrains/kotlin/klib/metadata/KmComparator.kt b/build-tools/src/main/kotlin/org/jetbrains/kotlin/klib/metadata/KmComparator.kt
index c71e427bcf9..0a14a87e364 100644
--- a/build-tools/src/main/kotlin/org/jetbrains/kotlin/klib/metadata/KmComparator.kt
+++ b/build-tools/src/main/kotlin/org/jetbrains/kotlin/klib/metadata/KmComparator.kt
@@ -143,7 +143,7 @@ internal class KmComparator(private val configuration: ComparisonConfig) {
     )(flags1, flags2)
 
     private fun compareConstructorFlags(flags1: Flags, flags2: Flags): MetadataCompareResult = serialComparator(
-            checkFlag(Flag.Constructor.IS_PRIMARY) to "IS_PRIMARY mismatch"
+            checkFlag(Flag.Constructor.IS_SECONDARY) to "IS_SECONDARY mismatch"
     )(flags1, flags2)
 
     private fun compare(constructor1: KmConstructor, constructor2: KmConstructor): MetadataCompareResult = serialComparator(