diff --git a/devtools-panels/devtools/devtools.js b/devtools-panels/devtools/devtools.js
index ae6bf47..7756554 100644
--- a/devtools-panels/devtools/devtools.js
+++ b/devtools-panels/devtools/devtools.js
@@ -16,8 +16,8 @@ Create a panel, and add listeners for panel show/hide events.
 */
 browser.devtools.panels.create(
   "My Panel",
-  "icons/star.png",
-  "devtools/panel/panel.html"
+  "/icons/star.png",
+  "/devtools/panel/panel.html"
 ).then((newPanel) => {
   newPanel.onShown.addListener(handleShown);
   newPanel.onHidden.addListener(handleHidden);