diff --git a/source/passdb/machine_sid.c b/source/passdb/machine_sid.c
index d7cae06749c..ebf9f2794b6 100644
--- a/source/passdb/machine_sid.c
+++ b/source/passdb/machine_sid.c
@@ -220,6 +220,5 @@ BOOL sid_check_is_in_our_domain(const DOM_SID *sid)
 
 	sid_copy(&dom_sid, sid);
 	sid_split_rid(&dom_sid, &rid);
-	
-	return sid_equal(&dom_sid, get_global_sam_sid());
+	return sid_check_is_domain(&dom_sid);
 }