diff --git a/compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.fir.kt b/compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.fir.kt
index 88c709e624d..a79dede0fcd 100644
--- a/compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.fir.kt
+++ b/compiler/testData/diagnostics/tests/multiplatform/JsExternalTypeExtendsActualExternalType.fir.kt
@@ -4,7 +4,7 @@
 
 expect interface ExternalInterface
 
-external class ExternalClass: ExternalInterface
+external class <!EXTERNAL_TYPE_EXTENDS_NON_EXTERNAL_TYPE{METADATA}!>ExternalClass<!>: ExternalInterface
 
 // MODULE: js()()(commonjs)
 // TARGET_PLATFORM: JS
diff --git a/compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.fir.kt b/compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.fir.kt
index ed28f1aabfa..161ba33f2ce 100644
--- a/compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.fir.kt
+++ b/compiler/testData/diagnostics/wasmTests/multiplatform/ActualExternalTypeAsJsInteropType.fir.kt
@@ -4,7 +4,7 @@
 
 expect interface ExternalInterface
 
-external fun externalFunction(arg: ExternalInterface)
+external fun externalFunction(arg: <!WRONG_JS_INTEROP_TYPE{METADATA}!>ExternalInterface<!>)
 
 // MODULE: wasm()()(commonwasm)
 // TARGET_PLATFORM: Wasm