diff --git a/VollmetallAlternativePropulsionSystem/VollmetallAlternativePropulsionSystem-3.ckan b/VollmetallAlternativePropulsionSystem/VollmetallAlternativePropulsionSystem-3.ckan
index ae2c09b514..9b6df8a269 100644
--- a/VollmetallAlternativePropulsionSystem/VollmetallAlternativePropulsionSystem-3.ckan
+++ b/VollmetallAlternativePropulsionSystem/VollmetallAlternativePropulsionSystem-3.ckan
@@ -15,6 +15,11 @@
     "tags": [
         "parts"
     ],
+    "depends": [
+        {
+            "name": "B9PartSwitch"
+        }
+    ],
     "install": [
         {
             "find": "VM",