diff --git a/app/controllers/app.js b/app/controllers/app.js
index 013ec6de..527b9354 100755
--- a/app/controllers/app.js
+++ b/app/controllers/app.js
@@ -172,7 +172,7 @@ app.get(global.settings.base_url+'/version', function(req, res) {
   res.send(getVersion());
 });
 
-var sqlQueryMayWriteRegex = new RegExp("\\b(alter|insert|update|delete|create|drop|reindex|truncate)\\b", "i");
+var sqlQueryMayWriteRegex = new RegExp("\\b(alter|insert|update|delete|create|drop|reindex|truncate|refresh)\\b", "i");
 /**
  * This is a fuzzy check, the return could be true even if the query doesn't really write anything. But you can be
  * pretty sure of a false return.