diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index aa170d60ac..5d5282c482 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -617,6 +617,10 @@ networkBuildDnsmasqArgv(virNetworkObjPtr network,
         if (ipdef->nranges || ipdef->nhosts)
             virCommandAddArg(cmd, "--dhcp-no-override");
 
+        /* add domain to any non-qualified hostnames in /etc/hosts or addn-hosts */
+        if (network->def->domain)
+           virCommandAddArg(cmd, "--expand-hosts");
+
         if ((dctx = networkSaveDnsmasqHostsfile(ipdef, network->def->dns, network->def->name, false))) {
             if (dctx->hostsfile->nhosts)
                 virCommandAddArgPair(cmd, "--dhcp-hostsfile",
diff --git a/tests/networkxml2argvdata/nat-network-dns-hosts.argv b/tests/networkxml2argvdata/nat-network-dns-hosts.argv
index dce075b1a2..2158df8702 100644
--- a/tests/networkxml2argvdata/nat-network-dns-hosts.argv
+++ b/tests/networkxml2argvdata/nat-network-dns-hosts.argv
@@ -1,3 +1,3 @@
-/usr/sbin/dnsmasq --strict-order --bind-interfaces --conf-file= \
---except-interface lo --listen-address 192.168.122.1 \
---addn-hosts=/var/lib/libvirt/dnsmasq/default.addnhosts\
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --domain example.com \
+--conf-file= --except-interface lo --listen-address 192.168.122.1 \
+--expand-hosts --addn-hosts=/var/lib/libvirt/dnsmasq/default.addnhosts\
diff --git a/tests/networkxml2argvdata/nat-network-dns-hosts.xml b/tests/networkxml2argvdata/nat-network-dns-hosts.xml
index 9a83fed17f..2180a5ddcd 100644
--- a/tests/networkxml2argvdata/nat-network-dns-hosts.xml
+++ b/tests/networkxml2argvdata/nat-network-dns-hosts.xml
@@ -3,6 +3,7 @@
   <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9c</uuid>
   <forward dev='eth0' mode='nat'/>
   <bridge name='virbr0' stp='on' delay='0' />
+  <domain name="example.com"/>
   <dns>
     <host ip='192.168.122.1'>
       <hostname>host</hostname>
diff --git a/tests/networkxml2argvdata/netboot-network.argv b/tests/networkxml2argvdata/netboot-network.argv
index 27ffaa1b06..78e873c951 100644
--- a/tests/networkxml2argvdata/netboot-network.argv
+++ b/tests/networkxml2argvdata/netboot-network.argv
@@ -2,5 +2,5 @@
 --conf-file= --except-interface lo --listen-address 192.168.122.1 \
 --dhcp-range 192.168.122.2,192.168.122.254 \
 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/netboot.leases \
---dhcp-lease-max=253 --dhcp-no-override --enable-tftp \
+--dhcp-lease-max=253 --dhcp-no-override --expand-hosts --enable-tftp \
 --tftp-root /var/lib/tftproot --dhcp-boot pxeboot.img\
diff --git a/tests/networkxml2argvdata/netboot-proxy-network.argv b/tests/networkxml2argvdata/netboot-proxy-network.argv
index 3e0c5a5fa1..5fe1b8ef1b 100644
--- a/tests/networkxml2argvdata/netboot-proxy-network.argv
+++ b/tests/networkxml2argvdata/netboot-proxy-network.argv
@@ -2,4 +2,5 @@
 --conf-file= --except-interface lo --listen-address 192.168.122.1 \
 --dhcp-range 192.168.122.2,192.168.122.254 \
 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/netboot.leases \
---dhcp-lease-max=253 --dhcp-no-override --dhcp-boot pxeboot.img,,10.20.30.40\
+--dhcp-lease-max=253 --dhcp-no-override --expand-hosts \
+--dhcp-boot pxeboot.img,,10.20.30.40\