1 files changed, 1 insertions, 1 deletions
diff --git a/sysvipc/sys/shm.h b/sysvipc/sys/shm.h
index 04191656d5..496e57ef45 100644
--- a/sysvipc/sys/shm.h
+++ b/sysvipc/sys/shm.h
@@ -46,7 +46,7 @@ __BEGIN_DECLS
    facility.  The definition is found in XPG4.2.  */
 
 /* Shared memory control operation.  */
-#ifndef __USE_TIME_BITS64
+#ifndef __USE_TIME64_REDIRECTS
 extern int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf) __THROW;
 #else
 # ifdef __REDIRECT_NTH