diff --git a/dlls/msvcrt/string.c b/dlls/msvcrt/string.c
index d9ec3538d68..e4e94ffce00 100644
--- a/dlls/msvcrt/string.c
+++ b/dlls/msvcrt/string.c
@@ -1567,7 +1567,7 @@ int __cdecl MSVCRT__strnicmp_l(const char *s1, const char *s2,
     MSVCRT_pthreadlocinfo locinfo;
     char c1, c2;
 
-    if(!MSVCRT_CHECK_PMT(s1!=NULL && s2!=NULL))
+    if(s1==NULL || s2==NULL)
         return MSVCRT__NLSCMPERROR;
 
     if(!count)