diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index bd39f759..9637b552 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -4010,12 +4010,20 @@ OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k,
                 if (l_num_parts != 0) { /* Number of tile-part header is provided by this tile-part header */
                         /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
                          * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
-                        if (l_num_parts < l_tcp->m_nb_tile_parts) {
-                                l_num_parts = l_tcp->m_nb_tile_parts;
+                        if (l_tcp->m_nb_tile_parts) {
+                                if (l_current_part >= l_tcp->m_nb_tile_parts){
+                                        opj_event_msg(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current "
+                                                        "number of tile-part (%d), giving up\n", l_current_part, l_tcp->m_nb_tile_parts );
+                                        p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
+                                        return OPJ_FALSE;
+                                }
                         }
-                        if (l_current_part >= l_num_parts) {
-                                /* testcase 451.pdf.SIGSEGV.ce9.3723 */
-                                l_num_parts = l_current_part + 1;
+                        if( l_current_part >= l_num_parts ) {
+                          /* testcase 451.pdf.SIGSEGV.ce9.3723 */
+                          opj_event_msg(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current "
+                            "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts );
+                          p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
+                          return OPJ_FALSE;
                         }
                         l_tcp->m_nb_tile_parts = l_num_parts;
                 }