diff --git a/dlls/kernel32/tests/profile.c b/dlls/kernel32/tests/profile.c
index 3cd8af13712..b07bfc8a8c7 100644
--- a/dlls/kernel32/tests/profile.c
+++ b/dlls/kernel32/tests/profile.c
@@ -355,7 +355,7 @@ static void test_profile_existing(void)
     ok( DeleteFile(testfile2), "delete failed\n" );
 }
 
-static void test_profile_delete_on_close()
+static void test_profile_delete_on_close(void)
 {
     static CHAR testfile[] = ".\\testwine5.ini";
     HANDLE h;