diff --git a/maps/mountain_fortress_v3/functions.lua b/maps/mountain_fortress_v3/functions.lua
index 62c7f78b..4871aace 100644
--- a/maps/mountain_fortress_v3/functions.lua
+++ b/maps/mountain_fortress_v3/functions.lua
@@ -1370,6 +1370,8 @@ function Public.disable_tech()
     force.technologies['optics'].researched = true
     force.technologies['railway'].researched = true
     force.technologies['land-mine'].enabled = false
+    force.technologies['fluid-wagon'].enabled = false
+    force.technologies['cliff-explosives'].enabled = false
 
     disable_recipes(force)
 end