diff --git a/code/game/machinery/atmo_control.dm b/code/game/machinery/atmo_control.dm
index 3c032a6bce..0294607e8a 100644
--- a/code/game/machinery/atmo_control.dm
+++ b/code/game/machinery/atmo_control.dm
@@ -182,7 +182,7 @@
 
 	else
 		output += "<FONT color='red'>ERROR: Can not find input port</FONT> <A href='?src=\ref[src];in_refresh_status=1'>Search</A><BR>"
-	
+
 	output += "Flow Rate Limit: <A href='?src=\ref[src];adj_input_flow_rate=-100'>-</A> <A href='?src=\ref[src];adj_input_flow_rate=-10'>-</A> <A href='?src=\ref[src];adj_input_flow_rate=-1'>-</A> <A href='?src=\ref[src];adj_input_flow_rate=-0.1'>-</A> [round(input_flow_setting, 0.1)] L/s <A href='?src=\ref[src];adj_input_flow_rate=0.1'>+</A> <A href='?src=\ref[src];adj_input_flow_rate=1'>+</A> <A href='?src=\ref[src];adj_input_flow_rate=10'>+</A> <A href='?src=\ref[src];adj_input_flow_rate=100'>+</A><BR>"
 
 	output += "<BR>"
@@ -230,7 +230,7 @@ Max Output Pressure: [output_pressure] kPa<BR>"}
 		spawn(1)
 			src.updateUsrDialog()
 		return 1
-	
+
 	if(!radio_connection)
 		return 0
 	var/datum/signal/signal = new
@@ -239,32 +239,32 @@ Max Output Pressure: [output_pressure] kPa<BR>"}
 	if(href_list["in_refresh_status"])
 		input_info = null
 		signal.data = list ("tag" = input_tag, "status" = 1)
-		return 1
+		. = 1
 
 	if(href_list["in_toggle_injector"])
 		input_info = null
 		signal.data = list ("tag" = input_tag, "power_toggle" = 1)
-		return 1
+		. = 1
 
 	if(href_list["in_set_flowrate"])
 		input_info = null
 		signal.data = list ("tag" = input_tag, "set_volume_rate" = "[input_flow_setting]")
-		return 1
+		. = 1
 
 	if(href_list["out_refresh_status"])
 		output_info = null
 		signal.data = list ("tag" = output_tag, "status" = 1)
-		return 1
+		. = 1
 
 	if(href_list["out_toggle_power"])
 		output_info = null
 		signal.data = list ("tag" = output_tag, "power_toggle" = 1)
-		return 1
+		. = 1
 
 	if(href_list["out_set_pressure"])
 		output_info = null
 		signal.data = list ("tag" = output_tag, "set_internal_pressure" = "[pressure_setting]")
-		return 1
+		. = 1
 
 	signal.data["sigtype"]="command"
 	radio_connection.post_signal(src, signal, filter = RADIO_ATMOSIA)
@@ -302,7 +302,7 @@ Max Output Pressure: [output_pressure] kPa<BR>"}
 
 	else
 		output += "<FONT color='red'>ERROR: Can not find input port</FONT> <A href='?src=\ref[src];in_refresh_status=1'>Search</A><BR>"
-	
+
 	output += "Flow Rate Limit: <A href='?src=\ref[src];adj_input_flow_rate=-100'>-</A> <A href='?src=\ref[src];adj_input_flow_rate=-10'>-</A> <A href='?src=\ref[src];adj_input_flow_rate=-1'>-</A> <A href='?src=\ref[src];adj_input_flow_rate=-0.1'>-</A> [round(input_flow_setting, 0.1)] L/s <A href='?src=\ref[src];adj_input_flow_rate=0.1'>+</A> <A href='?src=\ref[src];adj_input_flow_rate=1'>+</A> <A href='?src=\ref[src];adj_input_flow_rate=10'>+</A> <A href='?src=\ref[src];adj_input_flow_rate=100'>+</A><BR>"
 
 	output += "<BR>"
@@ -350,7 +350,7 @@ Min Core Pressure: [pressure_limit] kPa<BR>"}
 		spawn(1)
 			src.updateUsrDialog()
 		return 1
-	
+
 	if(!radio_connection)
 		return 0
 	var/datum/signal/signal = new
@@ -359,32 +359,32 @@ Min Core Pressure: [pressure_limit] kPa<BR>"}
 	if(href_list["in_refresh_status"])
 		input_info = null
 		signal.data = list ("tag" = input_tag, "status" = 1)
-		return 1
+		. = 1
 
 	if(href_list["in_toggle_injector"])
 		input_info = null
 		signal.data = list ("tag" = input_tag, "power_toggle" = 1)
-		return 1
+		. = 1
 
 	if(href_list["in_set_flowrate"])
 		input_info = null
 		signal.data = list ("tag" = input_tag, "set_volume_rate" = "[input_flow_setting]")
-		return 1
+		. = 1
 
 	if(href_list["out_refresh_status"])
 		output_info = null
 		signal.data = list ("tag" = output_tag, "status" = 1)
-		return 1
+		. = 1
 
 	if(href_list["out_toggle_power"])
 		output_info = null
 		signal.data = list ("tag" = output_tag, "power_toggle" = 1)
-		return 1
+		. = 1
 
 	if(href_list["out_set_pressure"])
 		output_info = null
 		signal.data = list ("tag" = output_tag, "set_external_pressure" = "[pressure_setting]", "checks" = 1)
-		return 1
+		. = 1
 
 	signal.data["sigtype"]="command"
 	radio_connection.post_signal(src, signal, filter = RADIO_ATMOSIA)