diff --git a/ext/client.css b/ext/client.css
index ffc93be2..939fb81a 100644
--- a/ext/client.css
+++ b/ext/client.css
@@ -26,7 +26,9 @@
     font-size:        1em;
     max-height:       25em;
     max-width:        35em;
-    overflow-y:       scroll;
+    min-height:       10em;
+    min-width:        15em;
+    overflow-y:       auto;
     padding:          10px;
     position:         fixed;
     visibility:       hidden;
diff --git a/ext/client.js b/ext/client.js
index 2812971c..6d082909 100644
--- a/ext/client.js
+++ b/ext/client.js
@@ -31,6 +31,7 @@ class Client {
         window.addEventListener('mousemove', this.onMouseMove.bind(this));
         window.addEventListener('keydown', this.onKeyDown.bind(this));
         this.popup.mousedown((e) => e.stopPropagation());
+        this.popup.scroll((e) => e.stopPropagation());
 
         getState((state) => this.setEnabled(state === 'enabled'));
     }