diff --git a/align.c b/align.c
index 993792c..684aca6 100644
--- a/align.c
+++ b/align.c
@@ -184,7 +184,7 @@ static void mm_align1(void *km, const mm_mapopt_t *opt, const mm_idx_t *mi, int
 		if (i == r->cnt - 1 || qe - qs >= opt->min_ksw_len || re - rs >= opt->min_ksw_len) {
 			qseq = &qseq0[rev][qs];
 			mm_idx_getseq(mi, rid, rs, re, tseq);
-			ksw_extz2_sse(km, qe - qs, qseq, re - rs, tseq, 5, mat, opt->q, opt->e, bw, opt->zdrop, KSW_EZ_DYN_BAND, ez);
+			ksw_extz2_sse(km, qe - qs, qseq, re - rs, tseq, 5, mat, opt->q, opt->e, bw, opt->zdrop, 0, ez);
 			mm_append_cigar(r, ez->n_cigar, ez->cigar);
 			mm_update_extra(r->p, qseq, tseq, ez->n_cigar, ez->cigar, 0);
 			if (ez->score == KSW_NEG_INF) { // truncated by Z-drop
diff --git a/ksw2_extz2_sse.c b/ksw2_extz2_sse.c
index 1bdf962..0337095 100644
--- a/ksw2_extz2_sse.c
+++ b/ksw2_extz2_sse.c
@@ -248,7 +248,7 @@ void ksw_extz2_sse(void *km, int qlen, const uint8_t *query, int tlen, const uin
 			}
 			if (r == qlen + tlen - 2 && en0 == tlen - 1)
 				ez->score = H[tlen - 1];
-			if (flag & KSW_EZ_DYN_BAND) { // update band width
+			if (flag & KSW_EZ_DYN_BAND & 0) { // FIXME: don't use - buggy!
 				int lq, lt, l;
 				lt = tlen - st0, lq = qlen - (r - st0);
 				l = lt < lq? lt : lq;