diff --git a/UpdateRootfs.sh.in b/UpdateRootfs.sh.in
index 3e4b29d..a891487 100644
--- a/UpdateRootfs.sh.in
+++ b/UpdateRootfs.sh.in
@@ -90,6 +90,10 @@ tt=/bin/busybox
 echo -e "===\n \$tt\n"
 recurse "" \$tt
 
+tt=/bin/sed
+echo -e "===\n \$tt\n"
+recurse "" \$tt
+
 tt=/usr/sbin/fbset
 echo -e "===\n \$tt\n"
 recurse "" \$tt
@@ -287,6 +291,11 @@ then
 	rm -rf $GFA_PREFIX/etc/dhcp
 fi
 
+if [ -e $GFA_PREFIX/var/GfA/Display_GSM.ini ]
+then
+	sed -i 's/TSYNCCMD=rdate time.memod.de/TSYNCCMD=\/etc\/init.d\/S99rtc_GfA set/' $GFA_PREFIX/var/GfA/Display_GSM.ini
+fi
+
 #echo "Update Firmware"
 #echo "."
 #/root/spi_tivia /root/btm43_0107.bin >/dev/null