diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 98c59c9ac50a332bc94c6ede37c586b8748b0576..e666cbb1ff6588a68271d365d93168c83b1a2f73 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -477,7 +477,7 @@ networkBuildDnsmasqArgv(virNetworkObjPtr network,
     virCommandAddArgPair(cmd, "--pid-file", pidfile);
 
     /* *no* conf file */
-    virCommandAddArgList(cmd, "--conf-file=", "", NULL);
+    virCommandAddArg(cmd, "--conf-file=");
 
     virCommandAddArgList(cmd,
                          "--except-interface", "lo",