diff --git a/code/game/turfs/simulated.dm b/code/game/turfs/simulated.dm
index 53e2c09a04af..442ee9c6b44a 100644
--- a/code/game/turfs/simulated.dm
+++ b/code/game/turfs/simulated.dm
@@ -103,7 +103,7 @@
 				if(TURF_WET_PERMAFROST) // Permafrost
 					M.slip("the frosted floor", 10 SECONDS, tilesSlipped = 1, walkSafely = 0, slipAny = 1)
 
-/turf/simulated/ChangeTurf(path, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE)
+/turf/simulated/ChangeTurf(path, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE, copy_existing_baseturf = TRUE)
 	. = ..()
 	QUEUE_SMOOTH_NEIGHBORS(src)
 
diff --git a/code/game/turfs/simulated/floor.dm b/code/game/turfs/simulated/floor.dm
index e7d578eec75d..53e69545351f 100644
--- a/code/game/turfs/simulated/floor.dm
+++ b/code/game/turfs/simulated/floor.dm
@@ -134,7 +134,7 @@ GLOBAL_LIST_INIT(icons_to_ignore_at_floor_init, list("damaged1","damaged2","dama
 /turf/simulated/floor/proc/make_plating()
 	return ChangeTurf(/turf/simulated/floor/plating)
 
-/turf/simulated/floor/ChangeTurf(turf/simulated/floor/T, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE)
+/turf/simulated/floor/ChangeTurf(turf/simulated/floor/T, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE, copy_existing_baseturf = TRUE)
 	if(!istype(src, /turf/simulated/floor))
 		return ..() //fucking turfs switch the fucking src of the fucking running procs
 	if(!ispath(T, /turf/simulated/floor))
diff --git a/code/game/turfs/turf.dm b/code/game/turfs/turf.dm
index d90b03fd5ea2..53f67693e8db 100644
--- a/code/game/turfs/turf.dm
+++ b/code/game/turfs/turf.dm
@@ -207,7 +207,7 @@
 	return ChangeTurf(path, defer_change, keep_icon, ignore_air)
 
 //Creates a new turf
-/turf/proc/ChangeTurf(path, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE)
+/turf/proc/ChangeTurf(path, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE, copy_existing_baseturf = TRUE)
 	if(!path)
 		return
 	if(!GLOB.use_preloader && path == type) // Don't no-op if the map loader requires it to be reconstructed
@@ -228,7 +228,8 @@
 	changing_turf = TRUE
 	qdel(src)	//Just get the side effects and call Destroy
 	var/turf/W = new path(src)
-	W.baseturf = old_baseturf
+	if(copy_existing_baseturf)
+		W.baseturf = old_baseturf
 
 	if(!defer_change)
 		W.AfterChange(ignore_air)
diff --git a/code/modules/awaymissions/maploader/reader.dm b/code/modules/awaymissions/maploader/reader.dm
index 48aa90651a5e..795b697bc4d5 100644
--- a/code/modules/awaymissions/maploader/reader.dm
+++ b/code/modules/awaymissions/maploader/reader.dm
@@ -319,7 +319,7 @@ GLOBAL_DATUM_INIT(_preloader, /datum/dmm_suite/preloader, new())
 	var/turf/T = locate(x, y, z)
 	if(T)
 		if(ispath(path, /turf))
-			T.ChangeTurf(path, defer_change = TRUE, keep_icon = FALSE)
+			T.ChangeTurf(path, defer_change = TRUE, keep_icon = FALSE, copy_existing_baseturf = FALSE)
 			instance = T
 		else if(ispath(path, /area))
 
diff --git a/code/modules/events/spacevine.dm b/code/modules/events/spacevine.dm
index 619a6a519770..b69b9d92622e 100644
--- a/code/modules/events/spacevine.dm
+++ b/code/modules/events/spacevine.dm
@@ -137,7 +137,7 @@
 		if(prob(50))
 			ChangeTurf(baseturf)
 
-/turf/simulated/floor/vines/ChangeTurf(turf/simulated/floor/T, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE)
+/turf/simulated/floor/vines/ChangeTurf(turf/simulated/floor/T, defer_change = FALSE, keep_icon = TRUE, ignore_air = FALSE, copy_existing_baseturf = TRUE)
 	. = ..()
 	//Do this *after* the turf has changed as qdel in spacevines will call changeturf again if it hasn't
 	for(var/obj/structure/spacevine/SV in src)