diff --git a/src/thumbnailer.js b/src/thumbnailer.js
old mode 100644
new mode 100755
index e2ad0a5..7ebf08a
--- a/src/thumbnailer.js
+++ b/src/thumbnailer.js
@@ -1,3 +1,4 @@
+#!/usr/bin/env gjs
 imports.gi.versions.Gdk = '3.0';
 imports.gi.versions.Gtk = '3.0';
 
diff --git a/src/urlPreview.js b/src/urlPreview.js
index f17e0be..ccffc32 100644
--- a/src/urlPreview.js
+++ b/src/urlPreview.js
@@ -44,7 +44,7 @@ class Thumbnailer {
     _generateThumbnail(data) {
         let { filename, uri } = data;
         this._subProc = Gio.Subprocess.new(
-            ['gjs', `${pkg.pkgdatadir}/thumbnailer.js`, uri, filename],
+            [`${pkg.pkgdatadir}/thumbnailer.js`, uri, filename],
             Gio.SubprocessFlags.NONE);
         this._subProc.wait_async(null, (o, res) => {
             try {