one

code/modules/holodeck/computer.dm

@@ -149,6 +149,7 @@
 	active_power_usage = 50 + spawned.len * 3 + effects.len * 5
 
 /obj/machinery/computer/holodeck/emag_act(mob/user)
+	. = ..()
 	if(obj_flags & EMAGGED)
 		return
 	if(!LAZYLEN(emag_programs))
@@ -160,6 +161,7 @@
 	to_chat(user, "Warning.  Automatic shutoff and derezing protocols have been corrupted.  Please call Nanotrasen maintenance and do not use the simulator.")
 	log_game("[key_name(user)] emagged the Holodeck Control Console")
 	nerf(!(obj_flags & EMAGGED))
+	return TRUE
 
 /obj/machinery/computer/holodeck/emp_act(severity)
 	. = ..()