diff --git a/Installer-USB-Stick/patch_stick.sh b/Installer-USB-Stick/patch_stick.sh
index 14dd4de1c5ee8687a67797ae10b9009dd4fc6412..ccdfe278aa1bf7f7560da12fc1b03fbf63bad517 100755
--- a/Installer-USB-Stick/patch_stick.sh
+++ b/Installer-USB-Stick/patch_stick.sh
@@ -4,6 +4,7 @@ set -e
 
 DEVICE=$(blkid -t LABEL=MULTIBOOT -odevice)
 MPOINT=/mnt
+UPDATE_SCRIPT="./scripts/update_stick.sh"
 
 if [ ! $EUID -eq 0 ]; then
     echo "You are not root..."
@@ -18,8 +19,15 @@ fi
 mount "$DEVICE" "$MPOINT"
 pushd "$MPOINT" > /dev/null
 
-git checkout master
-git pull
+if [ -e "$UPDATE_SCRIPT" ]; then
+    echo "Using $UPDATE_SCRIPT."
+    bash ./scripts/update_stick.sh
+else
+    echo "No $UPDATE_SCRIPT avaiable."
+    echo "Falling back to plain git commands."
+    git checkout master
+    git pull
+fi
 
 popd > /dev/null