diff --git a/src/thumbnailer.js b/src/thumbnailer.js
old mode 100644
new mode 100755
index ed6350ea..83d832cb
--- a/src/thumbnailer.js
+++ b/src/thumbnailer.js
@@ -1,3 +1,4 @@
+#!/usr/bin/env gjs --module
 import Cairo from 'cairo';
 import Gdk from 'gi://Gdk?version=3.0';
 import Gio from 'gi://Gio';
diff --git a/src/urlPreview.js b/src/urlPreview.js
index 5f7931e4..d2282900 100644
--- a/src/urlPreview.js
+++ b/src/urlPreview.js
@@ -69,7 +69,7 @@ class Thumbnailer {
     async _generateThumbnail(data) {
         let { filename, uri } = data;
         this._subProc = Gio.Subprocess.new(
-            ['gjs', '--module', `${pkg.pkgdatadir}/thumbnailer.js`, uri, filename],
+            [`${pkg.pkgdatadir}/thumbnailer.js`, uri, filename],
             Gio.SubprocessFlags.NONE);
         try {
             await this._subProc.wait_async(null);