diff --git a/constants/pokemon_constants.asm b/constants/pokemon_constants.asm
index 40b450b85..29739ed46 100644
--- a/constants/pokemon_constants.asm
+++ b/constants/pokemon_constants.asm
@@ -1,3 +1,5 @@
+NUM_POKEMON EQU 251
+
 BULBASAUR  EQU 1
 IVYSAUR    EQU 2
 VENUSAUR   EQU 3