diff --git a/src/lib/openjp2/tcd.c b/src/lib/openjp2/tcd.c
index 1926f6f0..cb305a63 100644
--- a/src/lib/openjp2/tcd.c
+++ b/src/lib/openjp2/tcd.c
@@ -1245,9 +1245,10 @@ static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
     /* and actually +2 required for https://github.com/uclouvain/openjpeg/issues/982 */
     /* and +7 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 3) */
     /* and +26 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 7) */
+    /* and +28 for https://github.com/uclouvain/openjpeg/issues/1283 (-M 44) */
     /* TODO: is there a theoretical upper-bound for the compressed code */
     /* block size ? */
-    l_data_size = 26 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
+    l_data_size = 28 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
                                    (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
 
     if (l_data_size > p_code_block->data_size) {