diff --git a/src/battle_util.c b/src/battle_util.c
index 9fb2758b7..2215fea48 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -7195,7 +7195,7 @@ static u16 CalcMoveBasePower(u16 move, u8 battlerAtk, u8 battlerDef)
         // gBattleStruct->sameMoveTurns incremented in ppreduce
         if (gBattleStruct->sameMoveTurns[battlerAtk] != 0)
         {
-            basePower += (40 * gBattleStruct->sameMoveTurns[battlerAtk]);
+            basePower += (basePower * gBattleStruct->sameMoveTurns[battlerAtk]);
             if (basePower > 200)
                 basePower = 200;
         }