diff --git a/libraries/libldap_r/thr_nt.c b/libraries/libldap_r/thr_nt.c
index 935bf4bd13..a96bf7b9ac 100644
--- a/libraries/libldap_r/thr_nt.c
+++ b/libraries/libldap_r/thr_nt.c
@@ -95,7 +95,6 @@ int
 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond, 
 	ldap_pvt_thread_mutex_t *mutex )
 {
-	ReleaseMutex( *mutex );
 	SignalObjectAndWait( *mutex, *cond, INFINITE, FALSE );
 	WaitForSingleObject( *mutex, INFINITE );
 	return( 0 );