diff --git a/constants/pokemon_data_constants.asm b/constants/pokemon_data_constants.asm
index 0279d47e6..2839e9b11 100644
--- a/constants/pokemon_data_constants.asm
+++ b/constants/pokemon_data_constants.asm
@@ -89,7 +89,7 @@ MON_SPC_EXP            rw
 MON_DVS                rw
 MON_PP                 rb NUM_MOVES
 MON_HAPPINESS          rb
-MON_PKRUS              rb
+MON_POKERUS            rb
 MON_CAUGHTDATA         rw
 rsset MON_CAUGHTDATA
 MON_CAUGHTTIME         rb
diff --git a/engine/battle/core.asm b/engine/battle/core.asm
index 8e6283738..5345d7e72 100644
--- a/engine/battle/core.asm
+++ b/engine/battle/core.asm
@@ -3865,7 +3865,7 @@ InitBattleMon:
 	ld bc, MON_DVS - MON_ID
 	add hl, bc
 	ld de, wBattleMonDVs
-	ld bc, MON_PKRUS - MON_DVS
+	ld bc, MON_POKERUS - MON_DVS
 	call CopyBytes
 	inc hl
 	inc hl
@@ -3951,7 +3951,7 @@ InitEnemyMon:
 	ld bc, MON_DVS - MON_ID
 	add hl, bc
 	ld de, wEnemyMonDVs
-	ld bc, MON_PKRUS - MON_DVS
+	ld bc, MON_POKERUS - MON_DVS
 	call CopyBytes
 	inc hl
 	inc hl
@@ -7034,7 +7034,7 @@ GiveExperiencePoints:
 .no_carry_stat_exp
 	push hl
 	push bc
-	ld a, MON_PKRUS
+	ld a, MON_POKERUS
 	call GetPartyParamLocation
 	ld a, [hl]
 	and a