diff --git a/control.lua b/control.lua
index 879a685..20cd7b2 100644
--- a/control.lua
+++ b/control.lua
@@ -31,15 +31,14 @@ script.on_nth_tick(600, function (event)
 					inv_var = turret_entity.get_inventory(defines.inventory.turret_ammo)
 					if inv_var.is_empty() then
 						-- no ammo alert
-						player.add_custom_alert(turret_entity, {type = "item", name = "piercing-rounds-magazine"}, "Out of ammo", true)
+						player.add_custom_alert(turret_entity, {type = "virtual", name = "ammo-icon-red"}, "Turret out of ammo", true)
 					elseif inv_var[1].count < player_threshold then
 						-- low ammo alert
-						player.add_custom_alert(turret_entity, {type = "item", name = "firearm-magazine"}, "Ammo low", true)
+						player.add_custom_alert(turret_entity, {type = "virtual", name = "ammo-icon-yellow"}, "Turret ammo low", true)
 					end
 				end
 			end
 		end
-
 		
 		if GTA_car_enabled and car_entities then
 			for _,car_entity in pairs(car_entities) do
@@ -48,10 +47,10 @@ script.on_nth_tick(600, function (event)
 					inv_var = car_entity.get_inventory(defines.inventory.car_ammo)
 					if inv_var.is_empty() then
 						-- no ammo alert
-						player.add_custom_alert(car_entity, {type = "item", name = "piercing-rounds-magazine"}, "Out of ammo", true)
+						player.add_custom_alert(car_entity, {type = "virtual", name = "ammo-icon-red"}, "Car out of ammo", true)
 					elseif inv_var[1].count < player_threshold then
 						-- low ammo alert
-						player.add_custom_alert(car_entity, {type = "item", name = "firearm-magazine"}, "Ammo low", true)
+						player.add_custom_alert(car_entity, {type = "virtual", name = "ammo-icon-yellow"}, "Car ammo low", true)
 					end
 				end
 			end
diff --git a/data.lua b/data.lua
index bcc4f19..0487fae 100644
--- a/data.lua
+++ b/data.lua
@@ -1 +1,2 @@
 --data.lua
+require("prototypes.signals")
\ No newline at end of file
diff --git a/graphics/ammo-icon-red.png b/graphics/ammo-icon-red.png
new file mode 100644
index 0000000..91cd7b5
Binary files /dev/null and b/graphics/ammo-icon-red.png differ
diff --git a/graphics/ammo-icon-yellow.png b/graphics/ammo-icon-yellow.png
new file mode 100644
index 0000000..642e9f4
Binary files /dev/null and b/graphics/ammo-icon-yellow.png differ
diff --git a/prototypes/signals.lua b/prototypes/signals.lua
new file mode 100644
index 0000000..cd6cc01
--- /dev/null
+++ b/prototypes/signals.lua
@@ -0,0 +1,14 @@
+data:extend({
+	{
+		type = "virtual-signal",
+  		name = "ammo-icon-red",
+  		icon = "__Gun_Turret_Alerts__/graphics/ammo-icon-red.png",
+  		icon_size = 64,
+	},
+	{
+		type = "virtual-signal",
+  		name = "ammo-icon-yellow",
+  		icon = "__Gun_Turret_Alerts__/graphics/ammo-icon-yellow.png",
+  		icon_size = 64,
+	}
+})
diff --git a/thumbnail.png b/thumbnail.png
index 9061d76..5af3cff 100644
Binary files a/thumbnail.png and b/thumbnail.png differ