diff --git a/code/datums/proximity_monitor/proximity_monitor.dm b/code/datums/proximity_monitor/proximity_monitor.dm
index 6bc78a39c83..db3482f9a5a 100644
--- a/code/datums/proximity_monitor/proximity_monitor.dm
+++ b/code/datums/proximity_monitor/proximity_monitor.dm
@@ -10,7 +10,8 @@
 	///The signals of the connect range component, needed to monitor the turfs in range.
 	var/static/list/loc_connections = list(
 		COMSIG_ATOM_ENTERED = .proc/on_entered,
-		COMSIG_ATOM_EXITED =.proc/on_uncrossed,
+		COMSIG_ATOM_EXITED = .proc/on_uncrossed,
+		COMSIG_ATOM_INITIALIZED_ON = .proc/on_entered,
 	)
 
 /datum/proximity_monitor/New(atom/_host, range, _ignore_if_not_on_turf = TRUE)