diff --git a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt
index fd36051ff60..d317d19884e 100644
--- a/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt
+++ b/compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontendFacade.kt
@@ -298,7 +298,7 @@ class ClassicFrontendFacade(
                 )
                 if (isBuiltIns) builtInsModule = moduleDescriptor.builtIns
                 dependencies += moduleDescriptor
-                moduleDescriptor.setDependencies(dependencies)
+                moduleDescriptor.setDependencies(ArrayList(dependencies))
 
                 Pair(moduleDescriptor, resolvedLibrary.library)
             }