diff --git a/src/pokemon.c b/src/pokemon.c
index 71176d2eb6..26f12dca27 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -6459,6 +6459,9 @@ void SetWildMonHeldItem(void)
 
         for (i = 0; i < count; i++)
         {
+            if (GetMonData(&gEnemyParty[i], MON_DATA_HELD_ITEM, NULL) != ITEM_NONE)
+                continue; // prevent ovewriting previously set item
+            
             rnd = Random() % 100;
             species = GetMonData(&gEnemyParty[i], MON_DATA_SPECIES, 0);
             if (gMapHeader.mapLayoutId == LAYOUT_ALTERING_CAVE)