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-rw-r--r--sysdeps/nptl/pthread.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/nptl/pthread.h b/sysdeps/nptl/pthread.h
index 632ea7bc36..2b2b386ab3 100644
--- a/sysdeps/nptl/pthread.h
+++ b/sysdeps/nptl/pthread.h
@@ -83,7 +83,7 @@ enum
 #endif
 
 
-#ifdef __PTHREAD_MUTEX_HAVE_PREV
+#if __PTHREAD_MUTEX_HAVE_PREV
 # define PTHREAD_MUTEX_INITIALIZER \
   { { 0, 0, 0, 0, 0, __PTHREAD_SPINS, { 0, 0 } } }
 # ifdef __USE_GNU