diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index 5907cccd10..3fe0b2f824 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -211,7 +211,7 @@
 	if(!CONFIG_GET(flag/disable_secborg))
 		modulelist["Security"] = /obj/item/robot_module/security
 
-	modulelist + get_cit_modules() //Citadel change - adds Citadel's borg modules.
+	modulelist += get_cit_modules() //Citadel change - adds Citadel's borg modules.
 
 	var/input_module = input("Please, select a module!", "Robot", null, null) as null|anything in modulelist
 	if(!input_module || module.type != /obj/item/robot_module)
diff --git a/modular_citadel/code/modules/mob/living/silicon/robot/robot_modules.dm b/modular_citadel/code/modules/mob/living/silicon/robot/robot_modules.dm
index 808a03bd4c..781c47403a 100644
--- a/modular_citadel/code/modules/mob/living/silicon/robot/robot_modules.dm
+++ b/modular_citadel/code/modules/mob/living/silicon/robot/robot_modules.dm
@@ -11,6 +11,7 @@
 	var/icon/cyborg_icon_override
 	var/has_snowflake_deadsprite
 	var/cyborg_pixel_offset
+	var/moduleselect_alternate_icon
 
 /obj/item/robot_module/k9
 	name = "Security K-9 Unit module"