1 files changed, 2 insertions, 3 deletions

diff --git a/lib/libc/stdio/vsnprintf.c b/lib/libc/stdio/vsnprintf.c
index ba15c34ffa3b..f990664146c9 100644
--- a/lib/libc/stdio/vsnprintf.c
+++ b/lib/libc/stdio/vsnprintf.c
@@ -48,7 +48,6 @@ vsnprintf(char * __restrict str, size_t n, const char * __restrict fmt,
 	int ret;
 	char dummy[2];
 	FILE f;
-	struct __sFILEX ext;
 
 	on = n;
 	if (n != 0)
@@ -66,8 +65,8 @@ vsnprintf(char * __restrict str, size_t n, const char * __restrict fmt,
 	f._flags = __SWR | __SSTR;
 	f._bf._base = f._p = (unsigned char *)str;
 	f._bf._size = f._w = n;
-	f._extra = &ext;
-	INITEXTRA(&f);
+	f._orientation = 0;
+	memset(&f._mbstate, 0, sizeof(mbstate_t));
 	ret = __vfprintf(&f, fmt, ap);
 	if (on > 0)
 		*f._p = '\0';