diff --git a/code/__DEFINES/traits.dm b/code/__DEFINES/traits.dm
index ed0007135d..a4bca2f2c8 100644
--- a/code/__DEFINES/traits.dm
+++ b/code/__DEFINES/traits.dm
@@ -118,6 +118,7 @@
 #define TRAIT_LAW_ENFORCEMENT_METABOLISM "law-enforcement-metabolism"
 #define	TRAIT_STRONG_GRABBER	"strong_grabber"
 #define	TRAIT_CALCIUM_HEALER	"calcium_healer"
+#define TRAIT_CAPTAIN_METABOLISM "captain-metabolism"
 
  //non-mob traits
 #define TRAIT_PARALYSIS			"paralysis" //Used for limb-based paralysis, where replacing the limb will fix it
@@ -203,4 +204,4 @@
 #define FLIGHTSUIT_TRAIT "flightsuit"
 #define LOCKED_HELMET_TRAIT "locked-helmet"
 #define NINJA_SUIT_TRAIT "ninja-suit"
-#define ANTI_DROP_IMPLANT_TRAIT "anti-drop-implant"
\ No newline at end of file
+#define ANTI_DROP_IMPLANT_TRAIT "anti-drop-implant"