diff --git a/alias.air b/alias.air
index a3f52f9..823e53c 100644
--- a/alias.air
+++ b/alias.air
@@ -1,8 +1,11 @@
 (xor
     (seq
-        (seq
-            (call relay ("srv" "resolve_alias") [alias] service_id)
-            (call relay ("srv" "remove") [service_id])
+        (xor
+            (seq
+                (call relay ("srv" "resolve_alias") [alias] service_id)
+                (call relay ("srv" "remove") [service_id])
+            )
+            (null)
         )
         (seq
             (call relay ("srv" "add_alias") [alias service] result)