diff --git a/code/controllers/subsystems/atoms.dm b/code/controllers/subsystems/atoms.dm
index f8d3cece621..27a0a98689f 100644
--- a/code/controllers/subsystems/atoms.dm
+++ b/code/controllers/subsystems/atoms.dm
@@ -3,6 +3,7 @@ SUBSYSTEM_DEF(atoms)
 	dependencies = list(
 		/datum/controller/subsystem/garbage,
 		/datum/controller/subsystem/mapping,
+		/datum/controller/subsystem/alarm,
 		/datum/controller/subsystem/planets,
 		/datum/controller/subsystem/transcore,
 		/datum/controller/subsystem/chemistry,