diff --git a/code/modules/buildmode/submodes/advanced.dm b/code/modules/buildmode/submodes/advanced.dm
index 4a0be94a878..6657e4286b4 100644
--- a/code/modules/buildmode/submodes/advanced.dm
+++ b/code/modules/buildmode/submodes/advanced.dm
@@ -45,7 +45,8 @@
 		if(ispath(objholder,/turf))
 			var/turf/T = get_turf(object)
 			log_admin("Build Mode: [key_name(c)] modified [T] in [AREACOORD(object)] to [objholder]")
-			T.ChangeTurf(objholder)
+			T = T.ChangeTurf(objholder)
+			T.setDir(BM.build_dir)
 		else if(!isnull(objholder))
 			var/obj/A = new objholder (get_turf(object))
 			A.setDir(BM.build_dir)
diff --git a/code/modules/buildmode/submodes/fill.dm b/code/modules/buildmode/submodes/fill.dm
index b8b5cd718ba..68fd1b66cfe 100644
--- a/code/modules/buildmode/submodes/fill.dm
+++ b/code/modules/buildmode/submodes/fill.dm
@@ -62,7 +62,8 @@
 
 			for(var/turf/T in block(get_turf(cornerA),get_turf(cornerB)))
 				if(ispath(objholder,/turf))
-					T.PlaceOnTop(objholder)
+					T = T.ChangeTurf(objholder)
+					T.setDir(BM.build_dir)
 				else
 					var/obj/A = new objholder(T)
 					A.setDir(BM.build_dir)