diff --git a/bwa.c b/bwa.c
index 454bb8f..db2973c 100644
--- a/bwa.c
+++ b/bwa.c
@@ -454,12 +454,12 @@ FMTIndex *bwa_idx_load_fmt(const char *hint)
 	kmer_idx_fn = malloc(l_hint + 32);
 	//kmer_bit_fn = malloc(l_hint + 32);
 	sa_fn = malloc(l_hint + 32);
-	sprintf(suffix, ".256.%d.fmt", FMT_MID_INTERVAL);
-//	sprintf(suffix, ".fmt");
+//	sprintf(suffix, ".256.%d.fmt", FMT_MID_INTERVAL);
+	sprintf(suffix, ".fmt");
 	strcpy(fmt_idx_fn, hint);
 	strcpy(fmt_idx_fn + l_hint, suffix);
-	sprintf(suffix, ".%d.kmer", HASH_KMER_LEN);
-//	sprintf(suffix, ".kmer");
+//	sprintf(suffix, ".%d.kmer", HASH_KMER_LEN);
+	sprintf(suffix, ".kmer");
 	strcpy(kmer_idx_fn, hint);
 	strcpy(kmer_idx_fn + l_hint, suffix);
 
@@ -474,8 +474,8 @@ FMTIndex *bwa_idx_load_fmt(const char *hint)
 	fmt->kmer_hash = fmt_restore_kmer_idx(kmer_idx_fn);
 
 	strcpy(sa_fn, hint);
-	sprintf(suffix, ".33.%d.sa", SA_INTV);
-//	sprintf(suffix, ".bytesa");
+//	sprintf(suffix, ".33.%d.sa", SA_INTV);
+	sprintf(suffix, ".bytesa");
 	strcpy(sa_fn + l_hint, suffix); // partial suffix array (SA)
 	fmt_restore_sa(sa_fn, fmt);