diff --git a/trove_dashboard/api/trove.py b/trove_dashboard/api/trove.py
index 1fb7174..f877129 100644
--- a/trove_dashboard/api/trove.py
+++ b/trove_dashboard/api/trove.py
@@ -77,7 +77,7 @@ def cluster_create(request, name, volume, flavor, num_instances,
         if volume > 0:
             instance["volume"] = {'size': volume}
         if nics:
-            instance["nics"] = [{"net-id": nics}]
+            instance["nics"] = [{"network_id": nics}]
         instances.append(instance)
 
     # TODO(saurabhs): vertica needs root password on cluster create
@@ -103,7 +103,7 @@ def cluster_grow(request, cluster_id, new_instances):
         if new_instance.related_to:
             instance["related_to"] = new_instance.related_to
         if new_instance.nics:
-            instance["nics"] = [{'net-id': new_instance.nics}]
+            instance["nics"] = [{'network_id': new_instance.nics}]
         instances.append(instance)
     return troveclient(request).clusters.grow(cluster_id, instances)
 
diff --git a/trove_dashboard/content/databases/tests.py b/trove_dashboard/content/databases/tests.py
index 21289a3..7cbeb03 100644
--- a/trove_dashboard/content/databases/tests.py
+++ b/trove_dashboard/content/databases/tests.py
@@ -241,7 +241,7 @@ class DatabaseTests(test.TestCase):
 
         self.mock_network_list_for_tenant.return_value = self.networks.list()
 
-        nics = [{"net-id": self.networks.first().id}]
+        nics = [{"network_id": self.networks.first().id}]
 
         datastore = 'mysql'
         datastore_version = '5.5'
@@ -329,7 +329,7 @@ class DatabaseTests(test.TestCase):
 
         self.mock_network_list_for_tenant.return_value = self.networks.list()
 
-        nics = [{"net-id": self.networks.first().id}]
+        nics = [{"network_id": self.networks.first().id}]
 
         datastore = 'mysql'
         datastore_version = '5.5'
@@ -1056,7 +1056,7 @@ class DatabaseTests(test.TestCase):
 
         self.mock_network_list_for_tenant.return_value = self.networks.list()
 
-        nics = [{"net-id": self.networks.first().id}]
+        nics = [{"network_id": self.networks.first().id}]
 
         self.mock_availability_zone_list.return_value = (
             self.availability_zones.list())
diff --git a/trove_dashboard/content/databases/workflows/create_instance.py b/trove_dashboard/content/databases/workflows/create_instance.py
index 86b0e20..2de0d19 100644
--- a/trove_dashboard/content/databases/workflows/create_instance.py
+++ b/trove_dashboard/content/databases/workflows/create_instance.py
@@ -626,9 +626,8 @@ class LaunchInstance(workflows.Workflow):
     def _get_nics(self, context):
         netids = context.get('network_id', None)
         if netids:
-            return [{"net-id": netid} for netid in netids]
-        else:
-            return None
+            return [{"network_id": netid} for netid in netids]
+        return None
 
     def _get_volume_type(self, context):
         volume_type = None