diff --git a/code/game/machinery/atmoalter/canister.dm b/code/game/machinery/atmoalter/canister.dm
index a7d62d74b94..b6fba3cc5ad 100644
--- a/code/game/machinery/atmoalter/canister.dm
+++ b/code/game/machinery/atmoalter/canister.dm
@@ -181,6 +181,7 @@ update_flag
 	if(src.destroyed)
 		src.overlays = 0
 		src.icon_state = text("[]-1", src.canister_color["prim"])//yes, I KNOW the colours don't reflect when the can's borked, whatever.
+		return
 
 	if(icon_state != src.canister_color["prim"])
 		icon_state = src.canister_color["prim"]
@@ -420,9 +421,9 @@ update_flag
 
 	data["hasHoldingTank"] = holding ? 1 : 0
 	if(holding)
-		data["holdingTank"] = list("name" = holding.name, "tankPressure" = round(holding.air_contents.return_pressure()))
-
-	return data
+		data["holdingTank"] = list("name" = holding.name, "tankPressure" = round(holding.air_contents.return_pressure()))
+
+	return data
 
 /obj/machinery/portable_atmospherics/canister/Topic(href, href_list)
 	if(..())