diff --git a/onadata/settings/base.py b/onadata/settings/base.py
index 8682df9f5..4b8235d56 100644
--- a/onadata/settings/base.py
+++ b/onadata/settings/base.py
@@ -527,11 +527,13 @@ def skip_suspicious_operations(record):
     'audio/mpeg',
     'audio/ogg',
     'audio/wav',
+    'audio/x-wav',
     'audio/webm',
     'audio/x-m4a',
     'text/csv',
     'application/xml',
-    'application/zip'
+    'application/zip',
+    'application/x-zip-compressed'
 ]
 
 DEFAULT_VALIDATION_STATUSES = [