diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index f4d58c08..b794dc39 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -7750,7 +7750,7 @@ OPJ_BOOL opj_j2k_read_tile_header(      opj_j2k_t * p_j2k,
         }
 
         opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
-                        p_j2k->m_current_tile_number, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
+                        p_j2k->m_current_tile_number+1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
 
         *p_tile_index = p_j2k->m_current_tile_number;
         *p_go_on = OPJ_TRUE;