diff --git a/README b/README
index 87e28e03..6a123f97 100644
--- a/README
+++ b/README
@@ -270,15 +270,18 @@ system.  These commands include:
    {filemanager}   - used in attempt data rescue to display discovered
                      file systems.  (e.g., nautilus, pcmanfm)
    hal-lock        - used to prevent automounting of file systems
-   gksudo          - used to acquire root privileges in gparted shell
+   pkexec          - used to acquire root privileges in gparted shell
                      script wrapper, but only if available when gparted
                      source is configured
-   gksu            - alternatively used to acquire root privileges in
+   gksudo          - alternatively used to acquire root privileges in
                      gparted shell script wrapper, second choice if
                      available when gparted source is configured
-   kdesudo         - alternatively used to acquire root privileges in
+   gksu            - alternatively used to acquire root privileges in
                      gparted shell script wrapper, third choice if
                      available when gparted source is configured
+   kdesudo         - alternatively used to acquire root privileges in
+                     gparted shell script wrapper, fourth choice if
+                     available when gparted source is configured
    xdg-su          - alternatively used to acquire root privileges in
                      gparted shell script wrapper, last choice if
                      available when gparted source is configured
diff --git a/configure.ac b/configure.ac
index 61046c75..0b4f74d8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,9 +21,17 @@ PKG_CHECK_EXISTS
 
 
 dnl======================
-dnl checks for other programs
+dnl Find graphical privilege escalation program
 dnl======================
-AC_CHECK_PROGS([GKSUPROG], [gksudo gksu kdesudo "xdg-su -c"], [])
+AC_CHECK_PROGS([GKSUPROG], [pkexec gksudo gksu kdesudo "xdg-su -c"], [])
+
+if test "x$GKSUPROG" = 'xpkexec'; then
+	AC_MSG_CHECKING([how to run pkexec])
+	if pkexec --help 2>&1 | grep -q -- --disable-internal-agent; then
+		GKSUPROG="$GKSUPROG --disable-internal-agent"
+	fi
+	AC_MSG_RESULT([$GKSUPROG])
+fi
 
 
 dnl======================