diff --git a/InterstellarFuelSwitch-Core/InterstellarFuelSwitch-Core-3.6.14.1.ckan b/InterstellarFuelSwitch-Core/InterstellarFuelSwitch-Core-3.6.14.1.ckan
index 1ae4dbe0e6..fc00e5b883 100644
--- a/InterstellarFuelSwitch-Core/InterstellarFuelSwitch-Core-3.6.14.1.ckan
+++ b/InterstellarFuelSwitch-Core/InterstellarFuelSwitch-Core-3.6.14.1.ckan
@@ -11,8 +11,7 @@
         "x_screenshot": "https://spacedock.info/content/FreeThinker_517/Interstellar_Fuel_Switch/Interstellar_Fuel_Switch-1481278354.0821617.jpg"
     },
     "version": "3.6.14.1",
-    "ksp_version_min": "1.4.5",
-    "ksp_version_max": "1.5.1",
+    "ksp_version": "1.4.5",
     "provides": [
         "DeadskinsTextureSwitch",
         "DeadskinsMeshSwitch"