diff --git a/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt b/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt
index ffc41886cf4..d1de7596ebd 100644
--- a/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt
+++ b/core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/typeEnhancement/signatureEnhancement.kt
@@ -39,6 +39,7 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.firstArgument
 import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameOrNull
 import org.jetbrains.kotlin.types.*
 import org.jetbrains.kotlin.types.checker.KotlinTypeChecker
+import org.jetbrains.kotlin.types.typeUtil.contains
 import org.jetbrains.kotlin.types.typeUtil.isTypeParameter
 import org.jetbrains.kotlin.utils.JavaTypeEnhancementState
 import org.jetbrains.kotlin.utils.ReportLevel
@@ -241,6 +242,8 @@ class SignatureEnhancement(
         context: LazyJavaResolverContext
     ): List<KotlinType> {
         return bounds.map { bound ->
+            if (bound.contains { it is RawType }) return@map bound
+
             SignatureParts(
                 typeParameter, bound, emptyList(), false, context,
                 AnnotationQualifierApplicabilityType.TYPE_PARAMETER_BOUNDS,