diff --git a/mods/lib_mount/init.lua b/mods/lib_mount/init.lua
index 00e901da..809dc30e 100644
--- a/mods/lib_mount/init.lua
+++ b/mods/lib_mount/init.lua
@@ -22,8 +22,7 @@ lib_mount = {
 	passengers = {}
 }
 
-local enable_crash = true
-local crash_threshold = 6.5		-- ignored if enable_crash=false
+local crash_threshold = 6.5		-- ignored if enable_crash is disabled
 
 ------------------------------------------------------------------------------
 
@@ -210,7 +209,7 @@ end
 
 local aux_timer = 0
 
-function lib_mount.drive(entity, dtime, is_mob, moving_anim, stand_anim, jump_height, can_fly, can_go_down, can_go_up)
+function lib_mount.drive(entity, dtime, is_mob, moving_anim, stand_anim, jump_height, can_fly, can_go_down, can_go_up, enable_crash)
 	aux_timer = aux_timer + dtime
 
 	if can_fly and can_fly == true then
diff --git a/mods/vehicle_mash/framework.lua b/mods/vehicle_mash/framework.lua
index 7792cdcc..5348e99f 100644
--- a/mods/vehicle_mash/framework.lua
+++ b/mods/vehicle_mash/framework.lua
@@ -26,6 +26,7 @@ function vehicle_mash.register_vehicle(name, def)
 		passenger3_eye_offset = def.passenger3_eye_offset,
 		passenger3_detach_pos_offset = def.passenger3_detach_pos_offset,
 
+		enable_crash = def.enable_crash or true,
 		visual = def.visual,
 		mesh = def.mesh,
 		textures = def.textures,
@@ -139,7 +140,7 @@ function vehicle_mash.register_vehicle(name, def)
 			end
 		end,
 		on_step = function(self, dtime)
-			drive(self, dtime, false, nil, nil, 0, def.can_fly, def.can_go_down, def.can_go_up)
+			drive(self, dtime, false, nil, nil, 0, def.can_fly, def.can_go_down, def.can_go_up, def.enable_crash)
 		end
 	})