diff --git a/libisoburn/isoburn.c b/libisoburn/isoburn.c
index 10f69f15..995801d0 100644
--- a/libisoburn/isoburn.c
+++ b/libisoburn/isoburn.c
@@ -742,10 +742,11 @@ int isoburn_prepare_new_image(struct burn_drive *d, struct burn_disc **disc,
 }
 
 
-/* API since 0.2.2 */
-int isoburn_prepare_blind_grow(struct burn_drive *d, struct burn_disc **disc,
-                               struct isoburn_imgen_opts *opts,
-                               struct burn_drive *out_drive, int nwa)
+/* API since 1.5.8 */
+int isoburn_prepare_blind_grow_v2(struct burn_drive *d,
+                                  struct burn_disc **disc,
+                                  struct isoburn_imgen_opts *opts,
+                                  struct burn_drive *out_drive, off_t nwa)
 {  
  int ret;
  struct isoburn *o= NULL;
@@ -767,6 +768,18 @@ int isoburn_prepare_blind_grow(struct burn_drive *d, struct burn_disc **disc,
 }
 
 
+/* API since 0.2.2 */
+int isoburn_prepare_blind_grow(struct burn_drive *d, struct burn_disc **disc,
+                               struct isoburn_imgen_opts *opts,
+                               struct burn_drive *out_drive, int nwa)
+{  
+ int ret;
+
+ ret= isoburn_prepare_blind_grow_v2(d, disc, opts, out_drive, (off_t) nwa);
+ return(ret);
+}
+
+
 /* API @since 0.1.0
    @param flag bit0= this is a regular end, not an abort
                      give up source reference
diff --git a/libisoburn/libisoburn.h b/libisoburn/libisoburn.h
index 18f74ae2..1b5450bd 100644
--- a/libisoburn/libisoburn.h
+++ b/libisoburn/libisoburn.h
@@ -2768,6 +2768,14 @@ int isoburn_prepare_blind_grow(struct burn_drive *in_drive,
                                struct isoburn_imgen_opts *opts,
                                struct burn_drive *out_drive, int nwa);
 
+/** Like isoburn_prepare_blind_grow(), but with off_t nwa value.
+    @since 1.5.8
+*/
+int isoburn_prepare_blind_grow_v2(struct burn_drive *in_drive,
+                                  struct burn_disc **disc,
+                                  struct isoburn_imgen_opts *opts,
+                                  struct burn_drive *out_drive, off_t nwa);
+
 
 /**
     Revoke isoburn_prepare_*() instead of running isoburn_disc_write().
diff --git a/libisoburn/libisoburn.ver b/libisoburn/libisoburn.ver
index e45e44fd..b189e976 100644
--- a/libisoburn/libisoburn.ver
+++ b/libisoburn/libisoburn.ver
@@ -371,6 +371,7 @@ isoburn_get_attached_start_lba_v2;
 isoburn_get_mount_params_v2;
 isoburn_igopt_get_data_start_v2;
 isoburn_igopt_get_effective_lba_v2;
+isoburn_prepare_blind_grow_v2;
 isoburn_read_iso_head_v2;
 isoburn_toc_disc_get_sectors_v2;
 isoburn_toc_session_get_sectors_v2;
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index d882fc0a..1f8850ca 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2024.03.09.223619"
+#define Xorriso_timestamP "2024.03.10.072545"