diff --git a/src/battle_util.c b/src/battle_util.c
index aed0a11498..697c7799d7 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -6922,6 +6922,10 @@ static u32 CalcAttackStat(u16 move, u8 battlerAtk, u8 battlerDef, u8 moveType, b
         if (gDisableStructs[battlerDef].isFirstTurn == 2) // just switched in
             MulModifier(&modifier, UQ_4_12(2.0));
         break;
+    case ABILITY_GUTS:
+        if (gBattleMons[battlerAtk].status1 & STATUS1_ANY && IS_MOVE_PHYSICAL(move))
+            MulModifier(&modifier, UQ_4_12(1.5));
+        break;
     }
 
     // target's abilities