diff --git a/CHANGES b/CHANGES
index a484fcb8..9816c14e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,7 @@ What's New for OpenJPEG
 + : added
 
 May 16, 2011
+* [antonin] fixed another bug related to the number of packets in a tile-part, not correctly taken into acccount when generating an index file during decoding.
 * [antonin] fixed part of issue 69, when tile-part index is inconsistent with the total number of tile-parts
 
 May 12, 2011
diff --git a/libopenjpeg/t2.c b/libopenjpeg/t2.c
index 48463c9c..4af8eb84 100644
--- a/libopenjpeg/t2.c
+++ b/libopenjpeg/t2.c
@@ -730,6 +730,7 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
 					info_PK->start_pos = info_TL->end_header + 1;
 				} else if (info_TL->packet[cstr_info->packno-1].end_pos >= (int)cstr_info->tile[tileno].tp[curtp].tp_end_pos){ // New tile part
 					info_TL->tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; // Number of packets in previous tile-part
+          info_TL->tp[curtp].tp_start_pack = tp_start_packno;
 					tp_start_packno = cstr_info->packno;
 					curtp++;
 					info_PK->start_pos = cstr_info->tile[tileno].tp[curtp].tp_end_header+1;
@@ -753,6 +754,7 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
 	/* INDEX >> */
 	if(cstr_info) {
 		cstr_info->tile[tileno].tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; // Number of packets in last tile-part
+    cstr_info->tile[tileno].tp[curtp].tp_start_pack = tp_start_packno;
 	}
 	/* << INDEX */