diff --git a/debian/changelog b/debian/changelog
index 2b2922f..fb1d62f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,7 @@ lubuntu-default-settings (1.4) UNRELEASED; urgency=medium
       shows the desktop in LXQt.
     - Remove the volume button shortcuts as these are built into LXQt.
   * Double the splitter position for the PCManFM-Qt Places panel.
+  * gksu -> pkexec in PCManFM-Qt.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Fri, 20 Jul 2018 01:28:38 -0500
 
diff --git a/src/etc/xdg/xdg-Lubuntu/pcmanfm-qt/lxqt/settings.conf b/src/etc/xdg/xdg-Lubuntu/pcmanfm-qt/lxqt/settings.conf
index f6ea670..15ae1db 100644
--- a/src/etc/xdg/xdg-Lubuntu/pcmanfm-qt/lxqt/settings.conf
+++ b/src/etc/xdg/xdg-Lubuntu/pcmanfm-qt/lxqt/settings.conf
@@ -1,6 +1,6 @@
 [System]
 IconThemeName=Lubuntu
-SuCommand=gksu %s
+SuCommand=pkexec %s
 Terminal=qterminal
 Archiver=ark
 SIUnit=false