diff --git a/src/components/structures/TimelinePanel.js b/src/components/structures/TimelinePanel.js
index d2afff13e7..3f934ce34e 100644
--- a/src/components/structures/TimelinePanel.js
+++ b/src/components/structures/TimelinePanel.js
@@ -28,7 +28,7 @@ var ObjectUtils = require('../../ObjectUtils');
 
 var PAGINATE_SIZE = 20;
 var INITIAL_SIZE = 20;
-var TIMELINE_CAP = 250; // the most events to show in a timeline
+var TIMELINE_CAP = 500; // the most events to show in a timeline
 
 // consider that the user remains "active" for this many milliseconds after a
 // user_activity event (and thus don't make the read-marker visible on new