diff --git a/code/game/machinery/doors/firedoor.dm b/code/game/machinery/doors/firedoor.dm
index ad746d089f..edb5529840 100644
--- a/code/game/machinery/doors/firedoor.dm
+++ b/code/game/machinery/doors/firedoor.dm
@@ -22,7 +22,7 @@
 	layer = BELOW_OPEN_DOOR_LAYER
 	closingLayer = CLOSED_FIREDOOR_LAYER
 	assemblytype = /obj/structure/firelock_frame
-	armor = list(melee = 30, bullet = 30, laser = 20, energy = 20, bomb = 10, bio = 100, rad = 100, fire = 95, acid = 70)
+	armor = list("melee" = 30, "bullet" = 30, "laser" = 20, "energy" = 20, "bomb" = 10, "bio" = 100, "rad" = 100, "fire" = 95, "acid" = 70)
 	var/boltslocked = TRUE
 	var/list/affecting_areas