diff --git a/code/__DEFINES/mobs.dm b/code/__DEFINES/mobs.dm
index 1a7340d0..e7981362 100644
--- a/code/__DEFINES/mobs.dm
+++ b/code/__DEFINES/mobs.dm
@@ -62,6 +62,7 @@
 #define DEFAULT_BODYPART_ICON_ROBOTIC 'icons/mob/augmentation/augments.dmi'
 
 #define MONKEY_BODYPART "monkey"
+#define TERATOMA_BODYPART "teratoma"
 #define ALIEN_BODYPART "alien"
 #define LARVA_BODYPART "larva"
 #define DEVIL_BODYPART "devil"