diff --git a/format.c b/format.c
index c3b8c09..1773c95 100644
--- a/format.c
+++ b/format.c
@@ -323,7 +323,7 @@ void mm_write_paf3(kstring_t *s, const mm_idx_t *mi, const mm_bseq1_t *t, const
 	if (mi->seq[r->rid].name) mm_sprintf_lite(s, "%s", mi->seq[r->rid].name);
 	else mm_sprintf_lite(s, "%d", r->rid);
 	mm_sprintf_lite(s, "\t%d", mi->seq[r->rid].len);
-	if (opt_flag & MM_F_QSTRAND)
+	if ((opt_flag & MM_F_QSTRAND) && r->rev)
 		mm_sprintf_lite(s, "\t%d\t%d", mi->seq[r->rid].len - r->re, mi->seq[r->rid].len - r->rs);
 	else
 		mm_sprintf_lite(s, "\t%d\t%d", r->rs, r->re);
diff --git a/main.c b/main.c
index 15074bd..daff256 100644
--- a/main.c
+++ b/main.c
@@ -7,7 +7,7 @@
 #include "mmpriv.h"
 #include "ketopt.h"
 
-#define MM_VERSION "2.17-r986-qs-dirty"
+#define MM_VERSION "2.17-r987-qs-dirty"
 
 #ifdef __linux__
 #include <sys/resource.h>