diff --git a/lib/cartodb/server.js b/lib/cartodb/server.js
index 7968dc5f..7b6fc33a 100644
--- a/lib/cartodb/server.js
+++ b/lib/cartodb/server.js
@@ -132,7 +132,7 @@ module.exports = function(serverOptions) {
             }
 
             function isRasterFormat (format) {
-                return format === 'png' || format === 'jpg'
+                return format === 'png' || format === 'jpg';
             }
 
             if (isTimeoutError(err) && isRasterFormat(format)) {