diff --git a/src/nwfilter/nwfilter_learnipaddr.c b/src/nwfilter/nwfilter_learnipaddr.c
index 675ef5b6f3..d924c4d8db 100644
--- a/src/nwfilter/nwfilter_learnipaddr.c
+++ b/src/nwfilter/nwfilter_learnipaddr.c
@@ -340,6 +340,7 @@ virNWFilterAddIpAddrForIfname(const char *ifname, char *addr)
     } else {
         if (virNWFilterVarValueAddValue(val, addr) < 0)
             ret = -1;
+        ret = 0;
     }
 
 err_exit: