diff --git a/frontend/src/stores.js b/frontend/src/stores.js
index 18c279f..2a2d526 100644
--- a/frontend/src/stores.js
+++ b/frontend/src/stores.js
@@ -312,7 +312,7 @@ class MessageStore extends Store {
         if (!this.isCollectingOldMessages)
             return false;
 
-        const target = 25;
+        const target = smallViewport.value ? 100 : 350;
         const delta = this.value.length - target;
         if (delta >= 1) {
             this.value.splice(0, delta);