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-rw-r--r--stdio-common/fcloseall.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdio-common/fcloseall.c b/stdio-common/fcloseall.c
index d056b902ab..0b1702e112 100644
--- a/stdio-common/fcloseall.c
+++ b/stdio-common/fcloseall.c
@@ -30,7 +30,7 @@ void
 __close_all_streams (void)
 {
   /* We must be prepared for multi-threading on multiple calls.  */
-  if (! __libc_lock_trylock (lock) && already_called)
+  if (! __libc_lock_trylock (lock) && ! already_called)
     {
       /* Signal that we already did this.  */
       already_called = 1;