diff --git a/constants.asm b/constants.asm
index 92514ace6..c19a07d10 100644
--- a/constants.asm
+++ b/constants.asm
@@ -73,6 +73,8 @@ hlcoord: MACRO
     ld hl, Coord
 	ENDM
 
+NONE       EQU 0
+
 BULBASAUR  EQU 1
 IVYSAUR    EQU 2
 VENUSAUR   EQU 3