diff --git a/dlls/msvcrt/tests/file.c b/dlls/msvcrt/tests/file.c
index 22a51414e72..edc0799e6b3 100644
--- a/dlls/msvcrt/tests/file.c
+++ b/dlls/msvcrt/tests/file.c
@@ -553,7 +553,7 @@ static void test_fgetwc( void )
   ok(l==BUFSIZ-2, "ftell expected %d got %ld\n", BUFSIZ-2, l);
   fgetws(wtextW,LLEN,tempfh);
   l=ftell(tempfh);
-  ok(l==BUFSIZ-2+strlen(mytext), "ftell expected %d got %ld\n", BUFSIZ-2+strlen(mytext), l);
+  ok(l==BUFSIZ-2+strlen(mytext), "ftell expected %d got %ld\n", BUFSIZ-2+lstrlen(mytext), l);
   mytextW = AtoW (mytext);
   aptr = mytextW;
   wptr = wtextW;