diff --git a/code/game/turfs/baseturfs.dm b/code/game/turfs/baseturfs.dm
index 7eaac2f9ef0..91e66b1a4d0 100644
--- a/code/game/turfs/baseturfs.dm
+++ b/code/game/turfs/baseturfs.dm
@@ -20,27 +20,12 @@
 
 	return ChangeTurf(baseturfs, baseturfs, flags) // The bottom baseturf will never go away
 
-// Take the input as baseturfs and put it underneath the current baseturfs
-// If fake_turf_type is provided and new_baseturfs is not the baseturfs list will be created identical to the turf type's
-// If both or just new_baseturfs is provided they will be inserted below the existing baseturfs
-/turf/proc/PlaceOnBottom(list/new_baseturfs, turf/fake_turf_type)
-	if(fake_turf_type)
-		if(!new_baseturfs)
-			if(!length(baseturfs))
-				baseturfs = list(baseturfs)
-			var/list/old_baseturfs = baseturfs.Copy()
-			assemble_baseturfs(fake_turf_type)
-			if(!length(baseturfs))
-				baseturfs = list(baseturfs)
-			baseturfs = baseturfs_string_list((baseturfs - (baseturfs & GLOB.blacklisted_automated_baseturfs)) + old_baseturfs, src)
-			return
-		else if(!length(new_baseturfs))
-			new_baseturfs = list(new_baseturfs, fake_turf_type)
-		else
-			new_baseturfs += fake_turf_type
-	if(!length(baseturfs))
-		baseturfs = list(baseturfs)
-	baseturfs = baseturfs_string_list(new_baseturfs + baseturfs, src)
+/// Places the given turf on the bottom of the turf stack.
+/turf/proc/place_on_bottom(turf/bottom_turf)
+	baseturfs = baseturfs_string_list(
+		list(initial(bottom_turf.baseturfs), bottom_turf) + baseturfs,
+		src
+	)
 
 // Make a new turf and put it on top
 // The args behave identical to PlaceOnBottom except they go on top
diff --git a/code/modules/mapping/mapping_helpers.dm b/code/modules/mapping/mapping_helpers.dm
index 92e67fc9082..605638679b4 100644
--- a/code/modules/mapping/mapping_helpers.dm
+++ b/code/modules/mapping/mapping_helpers.dm
@@ -6,8 +6,9 @@
 	name = "baseturf editor"
 	icon = 'icons/effects/mapping_helpers.dmi'
 	icon_state = ""
-
+	/// Replacing a specific turf
 	var/list/baseturf_to_replace
+	/// The desired bottom turf
 	var/baseturf
 
 	plane = POINT_PLANE
@@ -33,9 +34,16 @@
 
 	qdel(src)
 
+/// Replaces all the requested baseturfs (usually space/baseturfbottom) with the desired baseturf. Skips if its already there
 /obj/effect/baseturf_helper/proc/replace_baseturf(turf/thing)
 	thing.remove_baseturfs_from_typecache(baseturf_to_replace)
-	thing.PlaceOnBottom(fake_turf_type = baseturf)
+
+	if(length(thing.baseturfs))
+		var/turf/tile = thing.baseturfs[1]
+		if(tile == baseturf)
+			return
+
+	thing.place_on_bottom(baseturf)
 
 /obj/effect/baseturf_helper/space
 	name = "space baseturf editor"
diff --git a/code/modules/unit_tests/baseturfs.dm b/code/modules/unit_tests/baseturfs.dm
index 2ac016f38b9..9bc561deeeb 100644
--- a/code/modules/unit_tests/baseturfs.dm
+++ b/code/modules/unit_tests/baseturfs.dm
@@ -53,7 +53,7 @@
 	// Do this instead of just ChangeTurf to guarantee that baseturfs is completely default on-init behavior
 	RESET_TO_EXPECTED(run_loc_floor_bottom_left)
 
-	run_loc_floor_bottom_left.PlaceOnBottom(fake_turf_type = /turf/closed/wall/rock)
+	run_loc_floor_bottom_left.place_on_bottom(/turf/closed/wall/rock)
 	TEST_ASSERT_EQUAL(run_loc_floor_bottom_left.type, EXPECTED_FLOOR_TYPE, "PlaceOnBottom shouldn't have changed turf")
 
 	run_loc_floor_bottom_left.ScrapeAway()