1 files changed, 1 insertions, 1 deletions
diff --git a/attr.c b/attr.c
index c3537b0..fa7de12 100644
--- a/attr.c
+++ b/attr.c
@@ -480,7 +480,7 @@ pthread_attr_setdetachstate(pthread_attr_t *attr,
       return EINVAL;
     }
 
-  if (detachstate != PTHREAD_CREATE_JOINABLE ||
+  if (detachstate != PTHREAD_CREATE_JOINABLE &&
       detachstate != PTHREAD_CREATE_DETACHED)
     {
       return EINVAL;