diff --git a/code/modules/atmospherics/machinery/components/trinary_devices/filter.dm b/code/modules/atmospherics/machinery/components/trinary_devices/filter.dm
index 5640a1a587..e97c4574f0 100644
--- a/code/modules/atmospherics/machinery/components/trinary_devices/filter.dm
+++ b/code/modules/atmospherics/machinery/components/trinary_devices/filter.dm
@@ -21,8 +21,7 @@
 /obj/machinery/atmospherics/components/trinary/filter/AltClick(mob/user)
 	if(user.canUseTopic(src, BE_CLOSE, FALSE,))
 		target_pressure = MAX_OUTPUT_PRESSURE
-			update_icon()
-	return ..()
+		to_chat(user,"<span class='notice'>You maximize the pressure on the [src].</span>")
 		
 /obj/machinery/atmospherics/components/trinary/filter/layer1
 	piping_layer = PIPING_LAYER_MIN