diff --git a/lib/metadata/metadata-exported.h b/lib/metadata/metadata-exported.h
index 55eb71cbd..8c7bd4583 100644
--- a/lib/metadata/metadata-exported.h
+++ b/lib/metadata/metadata-exported.h
@@ -980,6 +980,7 @@ struct vdo_convert_params {
 	struct dm_vdo_target_params vdo_params; /* VDO parameters for vdoformat */
 	const char *lv_name;
 	uint32_t virtual_extents;
+	uint64_t header_size;
 	activation_change_t activate;
 	int do_zero;
 	int do_wipe_signatures; /* Used for wiping VDO backend volume */
diff --git a/lib/metadata/vdo_manip.c b/lib/metadata/vdo_manip.c
index 32568fae7..c8eebe55a 100644
--- a/lib/metadata/vdo_manip.c
+++ b/lib/metadata/vdo_manip.c
@@ -521,7 +521,7 @@ struct logical_volume *convert_vdo_lv(struct logical_volume *lv,
 		}
 	}
 
-	if (!convert_vdo_pool_lv(lv, &vcp->vdo_params, &lv->le_count, 1, 0))
+	if (!convert_vdo_pool_lv(lv, &vcp->vdo_params, &lvc.virtual_extents, vcp->do_zero, vcp->header_size))
 		return_NULL;
 
         /* Create VDO LV with the name, we just release above */
diff --git a/tools/lvconvert.c b/tools/lvconvert.c
index e50fa666d..52da38319 100644
--- a/tools/lvconvert.c
+++ b/tools/lvconvert.c
@@ -5479,7 +5479,6 @@ static int _lvconvert_to_vdopool_single(struct cmd_context *cmd,
 	struct volume_group *vg = lv->vg;
 	struct logical_volume *vdo_lv;
 	const char *vg_name = NULL;
-	uint64_t vdo_pool_header_size;
 	struct vdo_convert_params vcp = {
 		.activate = CHANGE_AEY,
 		.lv_name = arg_str_value(cmd, name_ARG, NULL),
@@ -5498,7 +5497,7 @@ static int _lvconvert_to_vdopool_single(struct cmd_context *cmd,
 	} else
 		vcp.lv_name = "lvol%d";
 
-	if (!fill_vdo_target_params(cmd, &vcp.vdo_params, &vdo_pool_header_size, vg->profile))
+	if (!fill_vdo_target_params(cmd, &vcp.vdo_params, &vcp.header_size, vg->profile))
 		goto_out;
 
 	if (!get_vdo_settings(cmd, &vcp.vdo_params, NULL))