diff --git a/src/lib/openjp2/t2.c b/src/lib/openjp2/t2.c
index f4828da7..94b077d1 100644
--- a/src/lib/openjp2/t2.c
+++ b/src/lib/openjp2/t2.c
@@ -1305,6 +1305,7 @@ static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2,
 {
     OPJ_UINT32 bandno, cblkno;
     OPJ_UINT32 l_nb_code_blocks;
+    int truncate;
     OPJ_BYTE *l_current_data = p_src_data;
     opj_tcd_band_t *l_band = 00;
     opj_tcd_cblk_dec_t* l_cblk = 00;
@@ -1313,7 +1314,7 @@ static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2,
 
     OPJ_ARG_NOT_USED(p_t2);
     OPJ_ARG_NOT_USED(pack_info);
-    int truncate = 0;
+    
 
     l_band = l_res->bands;
     for (bandno = 0; bandno < l_res->numbands; ++bandno) {
@@ -1359,7 +1360,7 @@ static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2,
                                  l_seg->newlen, l_current_data, p_src_data, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno,
                                  p_pi->compno);                   
                    truncate = 1;
-                   l_seg->newlen = p_src_data + p_max_length - l_current_data;
+                   l_seg->newlen = (OPJ_SIZE_T)(p_src_data + p_max_length - l_current_data);
                  
                    //opj_event_msg(p_manager, EVT_ERROR,
                    //              "read: segment too long (%d) current data (%d) p_src_data (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n",