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-rw-r--r--wcsmbs/wcstok.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/wcsmbs/wcstok.c b/wcsmbs/wcstok.c
index 42df61923b..553c431aa2 100644
--- a/wcsmbs/wcstok.c
+++ b/wcsmbs/wcstok.c
@@ -34,7 +34,7 @@ wcstok (wcs, delim, save_ptr)
   if (wcs == NULL)
     if (*save_ptr == NULL)
       {
-	errno = EINVAL;
+	__set_errno (EINVAL);
 	return NULL;
       }
     else