diff --git a/index.c b/index.c
index 54b89a4..75a9dcf 100644
--- a/index.c
+++ b/index.c
@@ -677,7 +677,7 @@ int mm_idx_alt_read(mm_idx_t *mi, const char *fn)
 KRADIX_SORT_INIT(bed, mm_idx_intv1_t, sort_key_bed, 4)
 
 #define sort_key_end(a) ((a).en)
-KRADIX_SORT_INIT(end, mm_idx_intv1_t, sort_key_bed, 4)
+KRADIX_SORT_INIT(end, mm_idx_intv1_t, sort_key_end, 4)
 
 #define sort_key_jj(a) ((a).off)
 KRADIX_SORT_INIT(jj, mm_idx_jjump1_t, sort_key_jj, 4)
diff --git a/minimap.h b/minimap.h
index 95496a4..c39ab89 100644
--- a/minimap.h
+++ b/minimap.h
@@ -5,7 +5,7 @@
 #include <stdio.h>
 #include <sys/types.h>
 
-#define MM_VERSION "2.28-r1256-dirty"
+#define MM_VERSION "2.28-r1257-dirty"
 
 #define MM_F_NO_DIAG       (0x001LL) // no exact diagonal hit
 #define MM_F_NO_DUAL       (0x002LL) // skip pairs where query name is lexicographically larger than target name