diff --git a/extension.js b/extension.js
index ef82bdc..2cdeab7 100644
--- a/extension.js
+++ b/extension.js
@@ -731,7 +731,7 @@ const EasyScreenCastIndicator = GObject.registerClass({
             Lib.TalkativeLog('-*-execute post command');
 
             // launch cmd after registration
-            const tmpCmd = `/usr/bin/sh -c "${this._settings.getOption('s', Settings.POST_CMD_SETTING_KEY)}"`;
+            const tmpCmd = `/bin/sh -c "${this._settings.getOption('s', Settings.POST_CMD_SETTING_KEY)}"`;
 
             const mapObj = {
                 _fpath: pathFile,
diff --git a/prefs.js b/prefs.js
index 7e21b53..730eec3 100644
--- a/prefs.js
+++ b/prefs.js
@@ -834,7 +834,7 @@ const EasyScreenCastSettingsWidget = GObject.registerClass({
                 refBufferLog.text = '';
 
                 ctx.CtrlExe.Execute(
-                    'journalctl /usr/bin/gnome-shell --since "15 min ago" --output=cat --no-pager',
+                    'journalctl @gnomeShell@/bin/.gnome-shell-wrapped --since "15 min ago" --output=cat --no-pager',
                     (result, stdout) => {
                         Lib.TalkativeLog(`-^-CALLBACK async S= ${result}`);
                         refBufferLog.text = stdout;