diff --git a/allowdowngrade/all/usr/bin/allowdowngrade.sh b/allowdowngrade/all/usr/bin/allowdowngrade.sh
index 7b3f396..7f41d93 100755
--- a/allowdowngrade/all/usr/bin/allowdowngrade.sh
+++ b/allowdowngrade/all/usr/bin/allowdowngrade.sh
@@ -14,4 +14,17 @@
 /usr/syno/bin/synosetkeyvalue /etc/synopackageslimit.conf CodecPack "3.1.0-3005"
 # Allow Surveillance Station Downgrade on DSM 7.2.2
 /usr/syno/bin/synosetkeyvalue /etc.defaults/synopackageslimit.conf SurveillanceStation "9.2.0-11289"
-/usr/syno/bin/synosetkeyvalue /etc/synopackageslimit.conf SurveillanceStation "9.2.0-11289"
\ No newline at end of file
+/usr/syno/bin/synosetkeyvalue /etc/synopackageslimit.conf SurveillanceStation "9.2.0-11289"
+
+# Prevent AME from updating
+if [ -d "/var/packages/CodecPack" ]; then
+    /usr/syno/bin/synosetkeyvalue /var/packages/CodecPack/INFO version "30.1.0-3005"
+fi
+# Prevent VideoStation from updating
+if [ -d "/var/packages/VideoStation" ]; then
+    /usr/syno/bin/synosetkeyvalue /var/packages/VideoStation/INFO version "30.1.0-3153"
+fi
+# Prevent Surveillance Station from updating
+if [ -d "/var/packages/SurveillanceStation" ]; then
+    /usr/syno/bin/synosetkeyvalue /var/packages/SurveillanceStation/INFO version "90.2.0-11289"
+fi
\ No newline at end of file
diff --git a/amepatch/install.sh b/amepatch/install.sh
index 52b4fb5..07072de 100755
--- a/amepatch/install.sh
+++ b/amepatch/install.sh
@@ -20,6 +20,7 @@ Description=addon amepatch
 DefaultDependencies=no
 IgnoreOnIsolate=true
 After=multi-user.target
+After=allowdowngrade.service
 
 [Service]
 User=root