diff --git a/src/battle_util.c b/src/battle_util.c
index 37012470ef..1c9b8a4d79 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -9031,12 +9031,13 @@ static inline u32 CalcMoveBasePowerAfterModifiers(u32 move, u32 battlerAtk, u32
         modifier = uq4_12_multiply(modifier, (B_TERRAIN_TYPE_BOOST >= GEN_8 ? UQ_4_12(1.3) : UQ_4_12(1.5)));
     if (IsBattlerTerrainAffected(battlerAtk, STATUS_FIELD_PSYCHIC_TERRAIN) && moveType == TYPE_PSYCHIC)
         modifier = uq4_12_multiply(modifier, (B_TERRAIN_TYPE_BOOST >= GEN_8 ? UQ_4_12(1.3) : UQ_4_12(1.5)));
+
     if (moveType == TYPE_ELECTRIC && ((gFieldStatuses & STATUS_FIELD_MUDSPORT)
     || AbilityBattleEffects(ABILITYEFFECT_FIELD_SPORT, 0, 0, ABILITYEFFECT_MUD_SPORT, 0)))
-        modifier = uq4_12_multiply(modifier, UQ_4_12(B_SPORT_DMG_REDUCTION >= GEN_5 ? 0.23 : 0.5));
+        modifier = uq4_12_multiply(modifier, UQ_4_12(B_SPORT_DMG_REDUCTION >= GEN_5 ? 0.33 : 0.5));
     if (moveType == TYPE_FIRE && ((gFieldStatuses & STATUS_FIELD_WATERSPORT)
     || AbilityBattleEffects(ABILITYEFFECT_FIELD_SPORT, 0, 0, ABILITYEFFECT_WATER_SPORT, 0)))
-        modifier = uq4_12_multiply(modifier, UQ_4_12(B_SPORT_DMG_REDUCTION >= GEN_5 ? 0.23 : 0.5));
+        modifier = uq4_12_multiply(modifier, UQ_4_12(B_SPORT_DMG_REDUCTION >= GEN_5 ? 0.33 : 0.5));
 
     // attacker's abilities
     switch (atkAbility)