diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 9491c5173b240ba2d1d4f58cd07f074955df18f0..4b3f07f477582a80c6cf4eddc315bdb499605cfa 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -993,6 +993,7 @@ networkDnsmasqConfContents(virNetworkObjPtr network,
                                  "(as described in RFC1918/RFC3484/RFC4193)."),
                                ipaddr, (int)version / 1000000,
                                (int)(version % 1000000) / 1000);
+                VIR_FREE(ipaddr);
                 goto cleanup;
             }
             virBufferAsprintf(&configbuf, "listen-address=%s\n", ipaddr);