diff --git a/code/__DEFINES/subsystems.dm b/code/__DEFINES/subsystems.dm
index 4773cf0664..6e223446fd 100644
--- a/code/__DEFINES/subsystems.dm
+++ b/code/__DEFINES/subsystems.dm
@@ -75,36 +75,31 @@
 // 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)
 
-#define FIRE_PRIORITY_IDLE_NPC		1
-#define FIRE_PRIORITY_SERVER_MAINT	1
-
-#define FIRE_PRIORITY_GARBAGE		4
-#define FIRE_PRIORITY_RESEARCH		4
-#define FIRE_PRIORITY_AIR			5
-#define FIRE_PRIORITY_NPC			5
-#define FIRE_PRIORITY_PROCESS		6
-#define FIRE_PRIORITY_THROWING		6
-#define FIRE_PRIORITY_FLIGHTPACKS	7
-#define FIRE_PRIORITY_SPACEDRIFT	7
-#define FIRE_PRIOTITY_SMOOTHING		8
-#define FIRE_PRIORITY_ORBIT			8
-#define FIRE_PRIORITY_OBJ			9
-#define FIRE_PRIORUTY_FIELDS		9
-#define FIRE_PRIORITY_ACID			9
-#define FIRE_PRIOTITY_BURNING		9
-#define FIRE_PRIORITY_INBOUNDS		9
-
-#define FIRE_PRIORITY_DEFAULT		10
-
-#define FIRE_PRIORITY_PARALLAX		11
-#define FIRE_PRIORITY_NETWORKS		12
-#define FIRE_PRIORITY_MOBS			13
-#define FIRE_PRIORITY_TGUI			14
-
-#define FIRE_PRIORITY_TICKER		19
-#define FIRE_PRIORITY_OVERLAYS		20
-
-#define FIRE_PRIORITY_INPUT			100 // This must always always be the max highest priority. Player input must never be lost.
+#define FIRE_PRIORITY_IDLE_NPC		10
+#define FIRE_PRIORITY_SERVER_MAINT	10
+#define FIRE_PRIORITY_GARBAGE		15
+#define FIRE_PRIORITY_RESEARCH		15
+#define FIRE_PRIORITY_AIR			20
+#define FIRE_PRIORITY_NPC			20
+#define FIRE_PRIORITY_PROCESS		25
+#define FIRE_PRIORITY_THROWING		25
+#define FIRE_PRIORITY_FLIGHTPACKS	30
+#define FIRE_PRIORITY_SPACEDRIFT	30
+#define FIRE_PRIOTITY_SMOOTHING		35
+#define FIRE_PRIORITY_ORBIT			35
+#define FIRE_PRIORITY_OBJ			40
+#define FIRE_PRIORUTY_FIELDS		40
+#define FIRE_PRIORITY_ACID			40
+#define FIRE_PRIOTITY_BURNING		40
+#define FIRE_PRIORITY_INBOUNDS		40
+#define FIRE_PRIORITY_DEFAULT		50
+#define FIRE_PRIORITY_PARALLAX		65
+#define FIRE_PRIORITY_NETWORKS		80
+#define FIRE_PRIORITY_MOBS			100
+#define FIRE_PRIORITY_TGUI			110
+#define FIRE_PRIORITY_TICKER		200
+#define FIRE_PRIORITY_OVERLAYS		500
+#define FIRE_PRIORITY_INPUT			1000 // This must always always be the max highest priority. Player input must never be lost.
 
 // SS runlevels