diff --git a/stacktach/stacky_server.py b/stacktach/stacky_server.py
index ca9802f..06fa0a7 100644
--- a/stacktach/stacky_server.py
+++ b/stacktach/stacky_server.py
@@ -601,7 +601,7 @@ def search(request):
             results = event.search_results(results, when, routing_key_status)
         return rsp(json.dumps(results))
     except ObjectDoesNotExist:
-        return rsp(["The requested object does not exist"])
+        return error_response(404, 'Not Found', ["The requested object does not exist"])
     except FieldError:
-        return rsp(["The requested field '%s' does not exist for the corresponding object.\n"
-                    "Note: The field names of database are case-sensitive." % field] )
+        return error_response(400, 'Bad Request', "The requested field '%s' does not exist for the corresponding object.\n"
+                    "Note: The field names of database are case-sensitive." % field)
diff --git a/tests/unit/test_stacky_server.py b/tests/unit/test_stacky_server.py
index c8f902d..34e14b1 100644
--- a/tests/unit/test_stacky_server.py
+++ b/tests/unit/test_stacky_server.py
@@ -21,6 +21,7 @@
 import datetime
 import decimal
 import json
+from django.core.exceptions import FieldError
 
 import mox
 
@@ -1351,6 +1352,24 @@ class StackyServerTestCase(StacktachBaseTestCase):
         self._assert_on_search_nova(json_resp, raw1)
         self.mox.VerifyAll()
 
+    def test_search_with_wrong_field_value_returns_400_error_and_a_message(self):
+        fake_request = self.mox.CreateMockAnything()
+        fake_request.GET = {'field': 'tenant', 'value': 'tenant'}
+        models.RawData.objects.filter(tenant='tenant').AndRaise(FieldError)
+        self.mox.ReplayAll()
+
+        resp = stacky_server.search(fake_request)
+
+        self.assertEqual(resp.status_code, 400)
+        json_resp = json.loads(resp.content)
+        self.assertEquals(json_resp[0],[u'Error', u'Message'])
+        self.assertEquals(json_resp[1],
+                          [u'Bad Request', u"The requested field"
+        u" 'tenant' does not exist for the corresponding object.\nNote: "
+        u"The field names of database are case-sensitive."])
+
+        self.mox.VerifyAll()
+
     def test_model_search_default_limit(self):
         fake_request = self.mox.CreateMockAnything()
         fake_request.GET = {}