diff --git a/src/lib/openjp2/t2.c b/src/lib/openjp2/t2.c
index 70a35f26..3d84ebbb 100644
--- a/src/lib/openjp2/t2.c
+++ b/src/lib/openjp2/t2.c
@@ -1428,7 +1428,7 @@ static OPJ_BOOL opj_t2_read_packet_data(opj_t2_t* p_t2,
                         (l_current_data + l_seg->newlen > p_src_data + p_max_length) || 
                         (partial_buffer)) {
                     if(p_t2->cp->strict) {
-                        opj_event_msg(p_manager, EVT_WARNING,
+                        opj_event_msg(p_manager, EVT_ERROR,
                                       "read: segment too long (%d) with max (%d) for codeblock %d (p=%d, b=%d, r=%d, c=%d)\n",
                                       l_seg->newlen, p_max_length, cblkno, p_pi->precno, bandno, p_pi->resno,
                                       p_pi->compno);