diff --git a/cpg-core/src/main/kotlin/de/fraunhofer/aisec/cpg/frontends/Language.kt b/cpg-core/src/main/kotlin/de/fraunhofer/aisec/cpg/frontends/Language.kt
index 695b7332bc..5d1fdb6849 100644
--- a/cpg-core/src/main/kotlin/de/fraunhofer/aisec/cpg/frontends/Language.kt
+++ b/cpg-core/src/main/kotlin/de/fraunhofer/aisec/cpg/frontends/Language.kt
@@ -216,7 +216,8 @@ abstract class Language<T : LanguageFrontend<*, *>> : Node() {
         val superTypes = root.ancestors.map { it.type }
 
         // Check, if super type (or its root) is in the list
-        return superType.root in superTypes
+        return superType.root in superTypes ||
+            superType is UnknownType // TODO remove / move to python
     }
 }