diff --git a/gc/ogc/gx.h b/gc/ogc/gx.h
index c9701eed..c012c89b 100644
--- a/gc/ogc/gx.h
+++ b/gc/ogc/gx.h
@@ -4596,6 +4596,8 @@ void GX_PreloadEntireTexture(const GXTexObj *obj,const GXTexRegion *region);
  */
 void GX_InitTlutObj(GXTlutObj *obj,void *lut,u8 fmt,u16 entries);
 
+void GX_InitTlutObjData(GXTlutObj *obj,void *lut);
+
 /*!
  * \fn void GX_InitTlutRegion(GXTlutRegion *region,u32 tmem_addr,u8 tlut_sz)
  * \brief Initializes a Texture Look-Up Table (TLUT) region object.
diff --git a/libogc/gx.c b/libogc/gx.c
index 6722649d..4ee685e5 100644
--- a/libogc/gx.c
+++ b/libogc/gx.c
@@ -3491,6 +3491,12 @@ void GX_InitTlutObj(GXTlutObj *obj,void *lut,u8 fmt,u16 entries)
 	ptr->tlut_nentries = entries;
 }
 
+void GX_InitTlutObjData(GXTlutObj *obj,void *lut)
+{
+	struct __gx_tlutobj *ptr = (struct __gx_tlutobj*)obj;
+	ptr->tlut_maddr = (ptr->tlut_maddr&~0x00ffffff)|(_SHIFTR(MEM_VIRTUAL_TO_PHYSICAL(lut),5,24));
+}
+
 void GX_GetTlutObjAll(const GXTlutObj *obj,void **lut,u8 *fmt,u16 *entries)
 {
 	const struct __gx_tlutobj *ptr = (const struct __gx_tlutobj*)obj;