one

code/modules/modular_computers/computers/item/computer.dm

@@ -178,13 +178,13 @@
 			turn_on(user)
 
 /obj/item/modular_computer/emag_act(mob/user)
+	. = ..()
 	if(obj_flags & EMAGGED)
 		to_chat(user, "<span class='warning'>\The [src] was already emagged.</span>")
-		return 0
-	else
-		obj_flags |= EMAGGED
-		to_chat(user, "<span class='notice'>You emag \the [src]. It's screen briefly shows a \"OVERRIDE ACCEPTED: New software downloads available.\" message.</span>")
-		return 1
+		return
+	obj_flags |= EMAGGED
+	to_chat(user, "<span class='notice'>You emag \the [src]. It's screen briefly shows a \"OVERRIDE ACCEPTED: New software downloads available.\" message.</span>")
+	return TRUE
 
 /obj/item/modular_computer/examine(mob/user)
 	..()

code/modules/modular_computers/computers/machinery/modular_computer.dm

@@ -44,7 +44,9 @@
 		cpu.attack_ghost(user)
 
 /obj/machinery/modular_computer/emag_act(mob/user)
-	return cpu ? cpu.emag_act(user) : 1
+	. = ..()
+	if(cpu)
+		return cpu.emag_act(user)
 
 /obj/machinery/modular_computer/update_icon()
 	cut_overlays()