diff --git a/nova/api/openstack/views/limits.py b/nova/api/openstack/views/limits.py
index 33be12c0c935..e21c9f2fd2e0 100644
--- a/nova/api/openstack/views/limits.py
+++ b/nova/api/openstack/views/limits.py
@@ -104,7 +104,7 @@ class ViewBuilderV11(ViewBuilder):
             # check for existing key
             for limit in limits:
                 if limit["uri"] == rate_limit["URI"] and \
-                   limit["regex"] == limit["regex"]:
+                   limit["regex"] == rate_limit["regex"]:
                     _rate_limit_key = limit
                     break
 
diff --git a/nova/tests/api/openstack/test_limits.py b/nova/tests/api/openstack/test_limits.py
index 1bbe96612144..70f59eda6d2e 100644
--- a/nova/tests/api/openstack/test_limits.py
+++ b/nova/tests/api/openstack/test_limits.py
@@ -305,6 +305,57 @@ class LimitsControllerV11Test(BaseLimitTestSuite):
         body = json.loads(response.body)
         self.assertEqual(expected, body)
 
+    def _populate_limits_diff_regex(self, request):
+        """Put limit info into a request."""
+        _limits = [
+            limits.Limit("GET", "*", ".*", 10, 60).display(),
+            limits.Limit("GET", "*", "*.*", 10, 60).display(),
+        ]
+        request.environ["nova.limits"] = _limits
+        return request
+
+    def test_index_diff_regex(self):
+        """Test getting limit details in JSON."""
+        request = self._get_index_request()
+        request = self._populate_limits_diff_regex(request)
+        response = request.get_response(self.controller)
+        expected = {
+            "limits": {
+                "rate": [
+                    {
+                        "regex": ".*",
+                        "uri": "*",
+                        "limit": [
+                            {
+                                "verb": "GET",
+                                "next-available": 0,
+                                "unit": "MINUTE",
+                                "value": 10,
+                                "remaining": 10,
+                            },
+                        ],
+                    },
+                    {
+                        "regex": "*.*",
+                        "uri": "*",
+                        "limit": [
+                            {
+                                "verb": "GET",
+                                "next-available": 0,
+                                "unit": "MINUTE",
+                                "value": 10,
+                                "remaining": 10,
+                            },
+                        ],
+                    },
+
+                ],
+                "absolute": {},
+            },
+        }
+        body = json.loads(response.body)
+        self.assertEqual(expected, body)
+
     def _test_index_absolute_limits_json(self, expected):
         request = self._get_index_request()
         response = request.get_response(self.controller)