diff --git a/format.c b/format.c
index 16a120c..95619a3 100644
--- a/format.c
+++ b/format.c
@@ -299,8 +299,8 @@ void mm_write_sam2(kstring_t *s, const mm_idx_t *mi, const mm_bseq1_t *t, int se
 	if (r == 0) {
 		if (r_prev) {
 			this_rid = r_prev->rid, this_pos = r_prev->rs;
-			mm_sprintf_lite(s, "\t%s\t%d", mi->seq[this_rid].name, this_pos);
-		} else mm_sprintf_lite(s, "\t0\t*");
+			mm_sprintf_lite(s, "\t%s\t%d\t0\t*", mi->seq[this_rid].name, this_pos);
+		} else mm_sprintf_lite(s, "\t0\t*\t0\t*");
 	} else {
 		this_rid = r->rid, this_pos = r->rs, this_rev = r->rev;
 		mm_sprintf_lite(s, "\t%s\t%d\t%d\t", mi->seq[r->rid].name, r->rs+1, r->mapq);
diff --git a/main.c b/main.c
index b210c8e..0eaead3 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,7 @@
 #include "mmpriv.h"
 #include "getopt.h"
 
-#define MM_VERSION "2.2-r471-dirty"
+#define MM_VERSION "2.2-r472-dirty"
 
 #ifdef __linux__
 #include <sys/resource.h>