diff --git a/config/default.js b/config/default.js
index bdda23acda4..aab1acfbf3e 100644
--- a/config/default.js
+++ b/config/default.js
@@ -161,7 +161,7 @@ module.exports = {
 
   // activity list related settings
   activity: {
-    pageSize: 250, // Number of items per one fetch
+    pageSize: 50, // Number of items per one fetch
   },
 
   backup: {