diff --git a/src/network/networkd-routing-policy-rule.c b/src/network/networkd-routing-policy-rule.c
index e4dca83071..420062c647 100644
--- a/src/network/networkd-routing-policy-rule.c
+++ b/src/network/networkd-routing-policy-rule.c
@@ -176,7 +176,7 @@ int routing_policy_rule_get(Manager *m,
 
         RoutingPolicyRule rule, *existing;
 
-        assert_return(m, -1);
+        assert(m);
 
         rule = (RoutingPolicyRule) {
                 .family = family,