1 files changed, 1 insertions, 1 deletions

diff --git a/thread.h b/thread.h
index dafaa1ea68..22373e6c54 100644
--- a/thread.h
+++ b/thread.h
@@ -40,7 +40,7 @@
 #  endif
 #endif
 
-#ifdef PTHREAD_CREATE_JOINABLE
+#ifdef PTHREADS_CREATED_JOINABLE
 #  define ATTR_JOINABLE PTHREAD_CREATE_JOINABLE
 #else
 #  ifdef PTHREAD_CREATE_UNDETACHED