diff --git a/mayan/apps/common/middleware/error_logging.py b/mayan/apps/common/middleware/error_logging.py
index 39058af612..a90490cb5c 100644
--- a/mayan/apps/common/middleware/error_logging.py
+++ b/mayan/apps/common/middleware/error_logging.py
@@ -2,12 +2,17 @@ from __future__ import unicode_literals
 
 import logging
 
+from django.core.exceptions import PermissionDenied
+from django.http import Http404
+
 logger = logging.getLogger(__name__)
 
 
 class ErrorLoggingMiddleware(object):
     def process_exception(self, request, exception):
-        logger.exception(
-            'Exception caught by request middleware; %s, %s', request,
-            exception
-        )
+        if not isinstance(exception, (PermissionDenied, Http404)):
+            # Don't log non critical exceptions
+            logger.exception(
+                'Exception caught by request middleware; %s, %s', request,
+                exception
+            )