diff --git a/airtime_mvc/application/modules/rest/controllers/MediaController.php b/airtime_mvc/application/modules/rest/controllers/MediaController.php
index 80b54b063..4c54d7b84 100644
--- a/airtime_mvc/application/modules/rest/controllers/MediaController.php
+++ b/airtime_mvc/application/modules/rest/controllers/MediaController.php
@@ -362,7 +362,7 @@ class Rest_MediaController extends Zend_Rest_Controller
     private function invalidDataResponse()
     {
         $resp = $this->getResponse();
-        $resp->setHttpResponseCode(400);
+        $resp->setHttpResponseCode(422);
         $resp->appendBody("ERROR: Invalid data");
     }
 
diff --git a/python_apps/airtime_analyzer/airtime_analyzer/status_reporter.py b/python_apps/airtime_analyzer/airtime_analyzer/status_reporter.py
index 0e3c71619..0a69461ba 100644
--- a/python_apps/airtime_analyzer/airtime_analyzer/status_reporter.py
+++ b/python_apps/airtime_analyzer/airtime_analyzer/status_reporter.py
@@ -91,9 +91,13 @@ def send_http_request(picklable_request, retry_queue):
         r.raise_for_status() # Raise an exception if there was an http error code returned
         logging.info("HTTP request sent successfully.")
     except requests.exceptions.RequestException as e:
-        # If the web server is having problems, retry the request later:
-        logging.error("HTTP request failed. Retrying later! Exception was: %s" % str(e))
-        retry_queue.append(picklable_request) 
+        if r.status_code != 422:
+            # If the web server is having problems, retry the request later:
+            logging.error("HTTP request failed. Retrying later! Exception was: %s" % str(e))
+            retry_queue.append(picklable_request)
+        else:
+            # Do no retry the request if there was a metadata validation error
+            logging.error("HTTP request failed. Exception was: %s" % str(e))
     except Exception as e:
         logging.error("HTTP request failed with unhandled exception. %s" % str(e))
         # Don't put the request into the retry queue, just give up on this one.