diff --git a/InternalRCS/InternalRCS-1.3.ckan b/InternalRCS/InternalRCS-1.3.ckan
index a3f232bddc..a466ba77b5 100644
--- a/InternalRCS/InternalRCS-1.3.ckan
+++ b/InternalRCS/InternalRCS-1.3.ckan
@@ -1,5 +1,5 @@
 {
-    "spec_version": "v1.4",
+    "spec_version": 1,
     "identifier": "InternalRCS",
     "name": "Internal RCS",
     "abstract": "RCS thrusters without encasement. Cut at 90, 60, 45 and 30 degrees, that can be placed everywhere on your spaceship and not harm aerodynamics.",