diff --git a/subprojects/extensions-app/js/main.js b/subprojects/extensions-app/js/main.js
index e9a3183d2..63ff972c4 100644
--- a/subprojects/extensions-app/js/main.js
+++ b/subprojects/extensions-app/js/main.js
@@ -428,7 +428,6 @@ var ExtensionRow = GObject.registerClass({
 
         const desc = this._extension.metadata.description.split('\n')[0];
         this._descriptionLabel.label = desc;
-        this._descriptionLabel.tooltip_text = desc;
 
         this.connect('destroy', this._onDestroy.bind(this));