diff --git a/assets/sounds/floor-switch.wav b/assets/sounds/floor-switch.wav
new file mode 100644
index 0000000..94022fd
Binary files /dev/null and b/assets/sounds/floor-switch.wav differ
diff --git a/game.scm b/game.scm
index a32ba18..8319f0b 100644
--- a/game.scm
+++ b/game.scm
@@ -69,6 +69,7 @@
 (define audio:die (load-sound-effect "die"))
 (define audio:gate (load-sound-effect "gate"))
 (define audio:warp (load-sound-effect "warp"))
+(define audio:floor-switch (load-sound-effect "floor-switch"))
 (define audio:electric-switch-on (load-sound-effect "electric-switch-on"))
 (define audio:electric-switch-off (load-sound-effect "electric-switch-off"))
 
@@ -230,6 +231,8 @@
                  (set! *gems* (cons *level-idx* *gems*)))
                 ((or ('gate-open x y) ('gate-close x y))
                  (play-sound-effect audio:gate))
+                ((or ('floor-switch-on x y) ('floor-switch-off x y))
+                 (play-sound-effect audio:floor-switch))
                 (('electric-switch-on x y)
                  (play-sound-effect audio:electric-switch-on))
                 (('electric-switch-off x y)