diff --git a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/group/ExtTestCaseGroupProvider.kt b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/group/ExtTestCaseGroupProvider.kt
index 442a2a91e20..c82c04e747e 100644
--- a/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/group/ExtTestCaseGroupProvider.kt
+++ b/native/native.tests/tests/org/jetbrains/kotlin/konan/blackboxtest/support/group/ExtTestCaseGroupProvider.kt
@@ -756,8 +756,12 @@ private class ExtTestDataFileStructureFactory(parentDisposable: Disposable) : Te
             module.files += this
         }
 
-        override fun equals(other: Any?) = (other as? ExtTestFile)?.name == name
-        override fun hashCode() = name.hashCode()
+        override fun equals(other: Any?): Boolean {
+            if (other !is ExtTestFile) return false
+            return other.name == name && other.module == module
+        }
+
+        override fun hashCode() = name.hashCode() * 31 + module.hashCode()
     }
 
     private class ExtTestFileFactory : TestFiles.TestFileFactory<ExtTestModule, ExtTestFile> {