diff --git a/quantumclient/quantum/v2_0/router.py b/quantumclient/quantum/v2_0/router.py
index 3f8ed6c..cff4ace 100644
--- a/quantumclient/quantum/v2_0/router.py
+++ b/quantumclient/quantum/v2_0/router.py
@@ -166,6 +166,9 @@ class SetGatewayRouter(QuantumCommand):
         parser.add_argument(
             'external_network_id', metavar='external-network-id',
             help='ID of the external network for the gateway')
+        parser.add_argument(
+            '--disable-snat', action='store_false', dest='enable_snat',
+            help='Disable Source NAT on the router gateway')
         return parser
 
     def run(self, parsed_args):
@@ -176,8 +179,10 @@ class SetGatewayRouter(QuantumCommand):
             quantum_client, self.resource, parsed_args.router_id)
         _ext_net_id = quantumv20.find_resourceid_by_name_or_id(
             quantum_client, 'network', parsed_args.external_network_id)
-        quantum_client.add_gateway_router(_router_id,
-                                          {'network_id': _ext_net_id})
+        quantum_client.add_gateway_router(
+            _router_id,
+            {'network_id': _ext_net_id,
+             'enable_snat': parsed_args.enable_snat})
         print >>self.app.stdout, (
             _('Set gateway for router %s') % parsed_args.router_id)
 
diff --git a/tests/unit/test_cli20_router.py b/tests/unit/test_cli20_router.py
index 5c545d8..4868320 100644
--- a/tests/unit/test_cli20_router.py
+++ b/tests/unit/test_cli20_router.py
@@ -159,7 +159,8 @@ class CLITestV20RouterJSON(CLITestV20Base):
         self._test_update_resource(resource, cmd, 'myid',
                                    args,
                                    {"external_gateway_info":
-                                    {"network_id": "externalid"}}
+                                    {"network_id": "externalid",
+                                     "enable_snat": True}}
                                    )
 
     def test_remove_gateway(self):