diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c
index 013b9e43f..d846e2225 100644
--- a/lib/metadata/lv_manip.c
+++ b/lib/metadata/lv_manip.c
@@ -1466,7 +1466,7 @@ int lv_extend(struct logical_volume *lv,
  * Returns 0 on failure, 1 on success.
  */
 int lv_rename(struct cmd_context *cmd, struct logical_volume *lv,
-	      char *newname)
+	      const char *newname)
 {
 	struct volume_group *vg = lv->vg;
 
diff --git a/lib/metadata/metadata-exported.h b/lib/metadata/metadata-exported.h
index 3bc817033..5cc7eadca 100644
--- a/lib/metadata/metadata-exported.h
+++ b/lib/metadata/metadata-exported.h
@@ -357,7 +357,7 @@ int lv_extend(struct logical_volume *lv,
 int lv_remove(struct logical_volume *lv);
 
 int lv_rename(struct cmd_context *cmd, struct logical_volume *lv,
-	      char *newname);
+	      const char *newname);
 
 /* Find a PV within a given VG */
 struct pv_list *find_pv_in_vg(struct volume_group *vg, const char *pv_name);