diff --git a/lib/blob/blobstore.c b/lib/blob/blobstore.c
index 9c063fc1b..1bd2843fa 100644
--- a/lib/blob/blobstore.c
+++ b/lib/blob/blobstore.c
@@ -165,6 +165,10 @@ bs_allocate_cluster(struct spdk_blob *blob, uint32_t cluster_num,
 	if (blob->use_extent_table) {
 		extent_page = bs_cluster_to_extent_page(blob, cluster_num);
 		if (*extent_page == 0) {
+			/* Extent page shall never occupy md_page so start the search from 1 */
+			if (*lowest_free_md_page == 0) {
+				*lowest_free_md_page = 1;
+			}
 			/* No extent_page is allocated for the cluster */
 			*lowest_free_md_page = spdk_bit_array_find_first_clear(blob->bs->used_md_pages,
 					       *lowest_free_md_page);
diff --git a/test/unit/lib/blob/blob.c/blob_ut.c b/test/unit/lib/blob/blob.c/blob_ut.c
index dfcf2a3c2..95c1a5453 100644
--- a/test/unit/lib/blob/blob.c/blob_ut.c
+++ b/test/unit/lib/blob/blob.c/blob_ut.c
@@ -3769,7 +3769,7 @@ blob_thin_prov_rw(void)
 {
 	static const uint8_t zero[10 * 4096] = { 0 };
 	struct spdk_blob_store *bs = g_bs;
-	struct spdk_blob *blob;
+	struct spdk_blob *blob, *blob_id0;
 	struct spdk_io_channel *channel, *channel_thread1;
 	struct spdk_blob_opts opts;
 	uint64_t free_clusters;
@@ -3788,7 +3788,11 @@ blob_thin_prov_rw(void)
 	ut_spdk_blob_opts_init(&opts);
 	opts.thin_provision = true;
 
+	/* Create and delete blob at md page 0, so that next md page allocation
+	 * for extent will use that. */
+	blob_id0 = ut_blob_create_and_open(bs, &opts);
 	blob = ut_blob_create_and_open(bs, &opts);
+	ut_blob_close_and_delete(bs, blob_id0);
 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
 
 	CU_ASSERT(blob->active.num_clusters == 0);