diff --git a/code/game/turfs/unsimulated/walls.dm b/code/game/turfs/unsimulated/walls.dm
index e9a9e84fab7..5a678ff0301 100644
--- a/code/game/turfs/unsimulated/walls.dm
+++ b/code/game/turfs/unsimulated/walls.dm
@@ -44,7 +44,10 @@
 	color = "#666666"
 	smooth = SMOOTH_TRUE
 	canSmoothWith = list(
-		/turf/unsimulated/wall/steel
+		/turf/unsimulated/wall/steel,
+		/obj/structure/window_frame,
+		/obj/structure/window_frame/unanchored,
+		/obj/structure/window_frame/empty
 	)
 
 /turf/unsimulated/wall/darkshuttlewall
diff --git a/html/changelogs/cent_smoothing_fixes.yml b/html/changelogs/cent_smoothing_fixes.yml
new file mode 100644
index 00000000000..da5db498fb5
--- /dev/null
+++ b/html/changelogs/cent_smoothing_fixes.yml
@@ -0,0 +1,6 @@
+author: SleepyGemmy
+
+delete-after: True
+
+changes:
+  - bugfix: "Fixes unsimulated steel walls not smoothing with simulated steel window frames."
\ No newline at end of file