diff --git a/NEWS.md b/NEWS.md
index cb05d54..7cf6ee4 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,14 @@
+Release 0.9-r223 (9 March 2023)
+-------------------------------
+
+Notable change:
+
+ * Bugfix: not query proteins were outputted with option `-u`.
+
+(0.9: 9 March 2023, r223)
+
+
+
 Release 0.8-r220 (6 March 2023)
 -------------------------------
 
diff --git a/map.c b/map.c
index f53dadf..1270cd6 100644
--- a/map.c
+++ b/map.c
@@ -289,24 +289,24 @@ static void *worker_pipeline(void *shared, int step, void *in)
 		return in;
     } else if (step == 2) { // step 2: output
         step_t *s = (step_t*)in;
-		int32_t j;
 		for (i = 0; i < p->n_threads; ++i) mp_tbuf_destroy(s->buf[i]);
 		free(s->buf);
 		for (i = 0; i < s->n_seq; ++i) {
-			int32_t best_sc = -1;
-			if (s->n_reg[i] == 0) {
-				mp_write_output(&p->str, 0, p->mi, &s->seq[i], 0, p->opt, 0, 0);
-				fwrite(p->str.s, 1, p->str.l, stdout);
-			} else {
+			int32_t best_sc = -1, j, n_out;
+			if (s->n_reg[i] > 0)
 				best_sc = s->reg[i][0].p? s->reg[i][0].p->dp_max : s->reg[i][0].chn_sc;
-			}
-			for (j = 0; j < s->n_reg[i] && j < p->opt->out_n; ++j) {
+			for (j = 0, n_out = 0; j < s->n_reg[i] && j < p->opt->out_n; ++j) {
 				const mp_reg1_t *r = &s->reg[i][j];
 				int32_t sc = r->p? r->p->dp_max : r->chn_sc;
 				if (sc <= 0 || sc < (double)best_sc * p->opt->out_sim) continue;
 				if (r->qe - r->qs < (double)s->seq[i].l_seq * p->opt->out_cov) continue;
 				mp_write_output(&p->str, 0, p->mi, &s->seq[i], r, p->opt, ++p->id, j + 1);
 				fwrite(p->str.s, 1, p->str.l, stdout);
+				++n_out;
+			}
+			if (n_out == 0) {
+				mp_write_output(&p->str, 0, p->mi, &s->seq[i], 0, p->opt, 0, 0);
+				fwrite(p->str.s, 1, p->str.l, stdout);
 			}
 			for (j = 0; j < s->n_reg[i]; ++j) {
 				free(s->reg[i][j].feat);
diff --git a/miniprot.1 b/miniprot.1
index 423005e..caab7e5 100644
--- a/miniprot.1
+++ b/miniprot.1
@@ -1,4 +1,4 @@
-.TH miniprot 1 "6 March 2023" "miniprot-0.8 (r220)" "Bioinformatics tools"
+.TH miniprot 1 "9 March 2023" "miniprot-0.9 (r223)" "Bioinformatics tools"
 .SH NAME
 .PP
 miniprot - protein-to-genome alignment with splicing and frameshifts
diff --git a/miniprot.h b/miniprot.h
index 49fae17..cd81b90 100644
--- a/miniprot.h
+++ b/miniprot.h
@@ -3,7 +3,7 @@
 
 #include <stdint.h>
 
-#define MP_VERSION "0.8-r220"
+#define MP_VERSION "0.9-r223"
 
 #define MP_F_NO_SPLICE    0x1
 #define MP_F_NO_ALIGN     0x2