diff --git a/code/modules/atmospherics/machinery/portable/portable_atmospherics.dm b/code/modules/atmospherics/machinery/portable/portable_atmospherics.dm
index f3f0784ced4..01bea1b4abe 100644
--- a/code/modules/atmospherics/machinery/portable/portable_atmospherics.dm
+++ b/code/modules/atmospherics/machinery/portable/portable_atmospherics.dm
@@ -148,6 +148,8 @@
 			if(connect(possible_port))
 				to_chat(user, "<span class='notice'>You connect [src] to the port.</span>")
 				update_icon()
+			if(on)
+				on = !on
 				return
 			else
 				to_chat(user, "<span class='notice'>[src] failed to connect to the port.</span>")
diff --git a/code/modules/atmospherics/machinery/portable/portable_pump.dm b/code/modules/atmospherics/machinery/portable/portable_pump.dm
index 89aacb74b1b..c4b25889c47 100644
--- a/code/modules/atmospherics/machinery/portable/portable_pump.dm
+++ b/code/modules/atmospherics/machinery/portable/portable_pump.dm
@@ -141,12 +141,15 @@
 
 	return data
 
-/obj/machinery/atmospherics/portable/pump/ui_act(action, list/params)
+/obj/machinery/atmospherics/portable/pump/ui_act(action, list/params, datum/tgui/ui)
 	if(..())
 		return
 
 	switch(action)
 		if("power")
+			if(connected_port)
+				to_chat(ui.user, "<span class='warning'>[src] fails to turn on, the port is covered!</span>")
+				return
 			on = !on
 			if(on && direction == DIRECTION_OUT)
 				investigate_log("[key_name(usr)] started a transfer into [holding_tank].<br>", "atmos")
diff --git a/code/modules/atmospherics/machinery/portable/scrubber.dm b/code/modules/atmospherics/machinery/portable/scrubber.dm
index c8ec38694ef..c5f1f656056 100644
--- a/code/modules/atmospherics/machinery/portable/scrubber.dm
+++ b/code/modules/atmospherics/machinery/portable/scrubber.dm
@@ -136,12 +136,15 @@
 
 	return data
 
-/obj/machinery/atmospherics/portable/scrubber/ui_act(action, list/params)
+/obj/machinery/atmospherics/portable/scrubber/ui_act(action, list/params, datum/tgui/ui)
 	if(..())
 		return
 
 	switch(action)
 		if("power")
+			if(connected_port)
+				to_chat(ui.user, "<span class='warning'>[src] fails to turn on, the port is covered!</span>")
+				return
 			on = !on
 			update_icon()
 			return TRUE