diff --git a/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/inference/common/ContextCollector.kt b/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/inference/common/ContextCollector.kt
index d7bf744c9b1..76b40daf8c1 100644
--- a/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/inference/common/ContextCollector.kt
+++ b/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/inference/common/ContextCollector.kt
@@ -136,7 +136,7 @@ abstract class ContextCollector(private val resolutionFacade: ResolutionFacade)
                     is KtClassOrObject -> {
                         for (entry in expression.superTypeListEntries) {
                             for (argument in entry.typeReference?.typeElement?.typeArgumentsAsTypes ?: continue) {
-                                argument.toBoundType(OtherTarget)
+                                argument?.toBoundType(OtherTarget)
                             }
                         }
                         val descriptor =