diff --git a/src/code/z_kankyo.c b/src/code/z_kankyo.c
index 5a944065b5..1d110f4f74 100644
--- a/src/code/z_kankyo.c
+++ b/src/code/z_kankyo.c
@@ -370,6 +370,7 @@ void Environment_Init(PlayState* play2, EnvironmentContext* envCtx, s32 unused)
     envCtx->windDirection.x = 80;
     envCtx->windDirection.y = 80;
     envCtx->windDirection.z = 80;
+    //! @bug envCtx->windSpeed is not initialized.
 
     envCtx->lightBlendEnabled = false;
     envCtx->lightSettingOverride = LIGHT_SETTING_OVERRIDE_NONE;
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index 1eb2b08ab6..cd50939be2 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -1399,6 +1399,7 @@ u8 Item_Give(PlayState* play, u8 item) {
     s16 slot;
     s16 temp;
 
+    //! @bug UB: For items that are not inventory items, the SLOT macro indexes gItemSlots out of bounds.
     slot = SLOT(item);
     if (item >= ITEM_DEKU_STICKS_5) {
         slot = SLOT(sExtraItemBases[item - ITEM_DEKU_STICKS_5]);
@@ -1888,9 +1889,11 @@ u8 Item_Give(PlayState* play, u8 item) {
 
 u8 Item_CheckObtainability(u8 item) {
     s16 i;
-    s16 slot = SLOT(item);
+    s16 slot;
     s16 temp;
 
+    //! @bug UB: For items that are not inventory items, the SLOT macro indexes gItemSlots out of bounds.
+    slot = SLOT(item);
     if (item >= ITEM_DEKU_STICKS_5) {
         slot = SLOT(sExtraItemBases[item - ITEM_DEKU_STICKS_5]);
     }