diff --git a/kotlin-native/backend.native/tests/interop/objc/direct/main.kt b/kotlin-native/backend.native/tests/interop/objc/direct/main.kt
index cd0f9460429..0a018613305 100644
--- a/kotlin-native/backend.native/tests/interop/objc/direct/main.kt
+++ b/kotlin-native/backend.native/tests/interop/objc/direct/main.kt
@@ -17,28 +17,28 @@ fun main(args: Array<String>) {
         val cch = CCH()
         val ccn = CCN()
 
-        assertEquals(42UL, CC.regular(42u))
-        assertEquals(42UL, cc.regular(42u))
-        assertEquals(42UL, CC.regularExt(42u))
-        assertEquals(42UL, cc.regularExt(42u))
+        assertEquals(42UL, CC.regular(42))
+        assertEquals(42UL, cc.regular(42))
+        assertEquals(42UL, CC.regularExt(42))
+        assertEquals(42UL, cc.regularExt(42))
 
-        assertEquals(42UL, CCH.regular(42u))
-        assertEquals(42UL, cch.regular(42u))
-        assertEquals(42UL, CCH.regularExt(42u))
-        assertEquals(42UL, cch.regularExt(42u))
+        assertEquals(42UL, CCH.regular(42))
+        assertEquals(42UL, cch.regular(42))
+        assertEquals(42UL, CCH.regularExt(42))
+        assertEquals(42UL, cch.regularExt(42))
 
         assertEquals(42UL, ccn.regular(42UL))
         assertEquals(42UL, ccn.regularExt(42UL))
 
-        assertEquals(42UL, CC.direct(42u))
-        assertEquals(42UL, cc.direct(42u))
-        assertEquals(42UL, CC.directExt(42u))
-        assertEquals(42UL, cc.directExt(42u))
+        assertEquals(42UL, CC.direct(42))
+        assertEquals(42UL, cc.direct(42))
+        assertEquals(42UL, CC.directExt(42))
+        assertEquals(42UL, cc.directExt(42))
 
-        assertEquals(42UL, CCH.direct(42u))
-        assertEquals(42UL, cch .direct(42u))
-        assertEquals(42UL, CCH.directExt(42u))
-        assertEquals(42UL, cch .directExt(42u))
+        assertEquals(42UL, CCH.direct(42))
+        assertEquals(42UL, cch .direct(42))
+        assertEquals(42UL, CCH.directExt(42))
+        assertEquals(42UL, cch .directExt(42))
 
         assertEquals(42UL, ccn .direct(42UL))
         assertEquals(42UL, ccn .directExt(42UL))