diff --git a/src/components/structures/ScrollPanel.js b/src/components/structures/ScrollPanel.js
index e9f0d12988..41ee602c68 100644
--- a/src/components/structures/ScrollPanel.js
+++ b/src/components/structures/ScrollPanel.js
@@ -254,6 +254,7 @@ module.exports = React.createClass({
     },
 
     onResize: function() {
+        this.clearBlockShrinking();
         this.props.onResize();
         this.checkScroll();
         if (this._gemScroll) this._gemScroll.forceUpdate();