diff --git a/core/descriptors/src/org/jetbrains/kotlin/types/checker/IntersectionType.kt b/core/descriptors/src/org/jetbrains/kotlin/types/checker/IntersectionType.kt
index c6de2dc0129..8ea7032602b 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/types/checker/IntersectionType.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/types/checker/IntersectionType.kt
@@ -38,6 +38,8 @@ fun intersectTypes(types: List<UnwrappedType>): UnwrappedType {
         when (it) {
             is SimpleType -> it
             is FlexibleType -> {
+                if (it.isDynamic()) return it
+
                 hasFlexibleTypes = true
                 it.lowerBound
             }