diff --git a/openstack/cloud/_network_common.py b/openstack/cloud/_network_common.py
index 321c107cc..af1d59e4e 100644
--- a/openstack/cloud/_network_common.py
+++ b/openstack/cloud/_network_common.py
@@ -1294,7 +1294,7 @@ class NetworkCommonCloudMixin(openstackcloud._OpenStackCloudMixin):
             error.
         """
 
-        if type(ips) is list:
+        if type(ips) is not list:
             ips = [ips]
 
         for ip in ips: