diff --git a/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c b/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c
index 59ea027c65..6f38e51512 100644
--- a/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c
+++ b/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c
@@ -50,7 +50,7 @@ void EnPubox_Init(Actor* thisx, PlayState* play) {
         default:
             break;
     }
-    this->unk_164 = 1;
+    this->unused_164 = 1;
     thisx->colChkInfo.cylRadius = 20;
     thisx->colChkInfo.cylHeight = 50;
     thisx->cullingVolumeDownward = 1200.0f;
diff --git a/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.h b/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.h
index c128c86dfb..10b0b06382 100644
--- a/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.h
+++ b/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.h
@@ -8,7 +8,7 @@ struct EnPubox;
 
 typedef struct EnPubox {
     /* 0x0000 */ DynaPolyActor dyna;
-    /* 0x0164 */ u32 unk_164;
+    /* 0x0164 */ u32 unused_164; // Set to 1 on initialization, has no other uses
 } EnPubox; // size = 0x0168
 
 #endif