diff --git a/mods/doors/init.lua b/mods/doors/init.lua
index 053dae9d..7c9caf8a 100644
--- a/mods/doors/init.lua
+++ b/mods/doors/init.lua
@@ -769,7 +769,7 @@ function doors.register_fencegate(name, def)
 	fence_closed.sound = "doors_fencegate_open"
 	fence_closed.collision_box = {
 		type = "fixed",
-		fixed = {-1/2, -1/2, -1/4, 1/2, 1/2 + fence_collision_extra, 1/4},
+		fixed = {-1/2, -1/2, -1/8, 1/2, 1/2 + fence_collision_extra, 1/8},
 	}
 
 	local fence_open = table.copy(fence)
@@ -779,7 +779,7 @@ function doors.register_fencegate(name, def)
 	fence_open.groups.not_in_creative_inventory = 1
 	fence_open.collision_box = {
 		type = "fixed",
-		fixed = {{-1/2, -1/2, -1/4, -3/8, 1/2 + fence_collision_extra, 1/4},
+		fixed = {{-1/2, -1/2, -1/8, -3/8, 1/2 + fence_collision_extra, 1/8},
 			{-1/2, -3/8, -1/2, -3/8, 3/8, 0}},
 	}