diff --git a/libopenjpeg/jp2.c b/libopenjpeg/jp2.c
index ebbc419a..301e7359 100644
--- a/libopenjpeg/jp2.c
+++ b/libopenjpeg/jp2.c
@@ -118,9 +118,9 @@ static OPJ_BYTE * opj_jp2_write_colr(   opj_jp2_v2_t *jp2,
  * 
  * @return	true if writting was successful.
  */
-static opj_bool jp2_write_ftyp_v2(	opj_jp2_v2_t *jp2,
-									struct opj_stream_private *cio,
-									struct opj_event_mgr * p_manager );
+static opj_bool opj_jp2_write_ftyp(	opj_jp2_v2_t *jp2,
+									opj_stream_private_t *cio,
+									opj_event_mgr_t * p_manager );
 
 /**
  * Reads a a FTYP box - File type box
@@ -1369,7 +1369,7 @@ opj_bool opj_jp2_write_jp2h(opj_jp2_v2_t *jp2,
  * 
  * @return	true if writting was successful.
  */
-opj_bool jp2_write_ftyp_v2(	opj_jp2_v2_t *jp2,
+opj_bool opj_jp2_write_ftyp(opj_jp2_v2_t *jp2,
 							opj_stream_private_t *cio,
 							opj_event_mgr_t * p_manager )
 {
@@ -2432,7 +2432,7 @@ void jp2_setup_header_writting (opj_jp2_v2_t *jp2)
 	assert(jp2 != 00);
 
 	opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_write_jp_v2 );
-	opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_write_ftyp_v2 );
+	opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
 	opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
 	opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_skip_jp2c );