diff --git a/constants/pinball_game_constants.asm b/constants/pinball_game_constants.asm
index 1d3cbb2..f332a0d 100755
--- a/constants/pinball_game_constants.asm
+++ b/constants/pinball_game_constants.asm
@@ -6,3 +6,6 @@ EVOLUTION_MODE_SLOT_REWARD EQU 2
 SPECIAL_MODE_CATCHEM   EQU 1
 SPECIAL_MODE_EVOLUTION EQU 2
 SPECIAL_MODE_MAP_MOVE  EQU 2 ; shares value with SPECIAL_MODE_EVOLUTION
+
+; To encounter Mew, you must first beat Mewtwo's bonus stage 2 times.
+NUM_MEWTWO_COMPLETIONS_FOR_MEW EQU 2
diff --git a/main.asm b/main.asm
index d4a79fb..aab6b9e 100755
--- a/main.asm
+++ b/main.asm
@@ -368,7 +368,7 @@ CheckForMew:
 	cp $8
 	jr nz, .asm_10155
 	ld a, [wNumMewtwoBonusCompletions]
-	cp $2
+	cp NUM_MEWTWO_COMPLETIONS_FOR_MEW
 	jr nz, .asm_10155
 	pop af
 	xor a