diff --git a/code/__DEFINES/subsystems.dm b/code/__DEFINES/subsystems.dm
index 3201e522b57..fd7031409d8 100644
--- a/code/__DEFINES/subsystems.dm
+++ b/code/__DEFINES/subsystems.dm
@@ -80,6 +80,7 @@
 #define INIT_ORDER_NANOMOB -23
 #define INIT_ORDER_SQUEAK -40
 #define INIT_ORDER_PATH -50
+#define INIT_ORDER_PERSISTENCE -95
 
 // Subsystem fire priority, from lowest to highest priority
 // If the subsystem isn't listed here it's either DEFAULT or PROCESS (if it's a processing subsystem child)