diff --git a/libraries/liblthread/thr_cthreads.c b/libraries/liblthread/thr_cthreads.c
index 6eddb69317..97f0dc7f2c 100644
--- a/libraries/liblthread/thr_cthreads.c
+++ b/libraries/liblthread/thr_cthreads.c
@@ -47,7 +47,7 @@ int
 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
 {
 	void *status;
-	status = (void *) cthread_join ( tid );
+	status = (void *) cthread_join ( thread );
 	if (thread_return != NULL)
 		{
 		*thread_return = status;