diff --git a/include/Item/ItemManager.hpp b/include/Item/ItemManager.hpp
index 0e578358..4e3db6dd 100644
--- a/include/Item/ItemManager.hpp
+++ b/include/Item/ItemManager.hpp
@@ -29,7 +29,7 @@ public:
     ItemManager();
     ~ItemManager();
 
-    void func_ov000_020a865c(u32 bitIdx);
+    void func_ov000_020a865c(ItemFlag itemFlag);
     u32 func_ov000_020a86d0(ItemFlag itemFlag);
     u8 func_ov000_020a8728();
     u8 func_ov000_020a8748();
diff --git a/src/000_Second/Item/ItemManager.cpp b/src/000_Second/Item/ItemManager.cpp
index ebb8e2aa..ec121652 100644
--- a/src/000_Second/Item/ItemManager.cpp
+++ b/src/000_Second/Item/ItemManager.cpp
@@ -6,8 +6,8 @@ extern u8 data_ov000_020afc40[3];
 extern u8 data_ov000_020afc43[3];
 
 // removeEquipmentItem
-ARM void ItemManager::func_ov000_020a865c(u32 bitIdx) {
-    UNSET_FLAG(this->mUnk_08, bitIdx);
+ARM void ItemManager::func_ov000_020a865c(ItemFlag itemFlag) {
+    UNSET_FLAG(this->mUnk_08, itemFlag);
 }
 
 // getItemAmmo