diff --git a/include/spdk/blob.h b/include/spdk/blob.h
index 2f6ef0c39..40b9b67af 100644
--- a/include/spdk/blob.h
+++ b/include/spdk/blob.h
@@ -689,11 +689,13 @@ bool spdk_blob_is_read_only(struct spdk_blob *blob);
 bool spdk_blob_is_snapshot(struct spdk_blob *blob);
 
 /**
- * Check if blob is a clone.
+ * Check if blob is a clone of a blob.
+ *
+ * Clones of external snapshots will return false. See spdk_blob_is_esnap_clone.
  *
  * \param blob Blob.
  *
- * \return true if blob is a clone.
+ * \return true if blob is a clone of a blob.
  */
 bool spdk_blob_is_clone(struct spdk_blob *blob);
 
@@ -707,7 +709,7 @@ bool spdk_blob_is_clone(struct spdk_blob *blob);
 bool spdk_blob_is_thin_provisioned(struct spdk_blob *blob);
 
 /**
- * Check if blob is a clone of an external bdev.
+ * Check if blob is a clone of an external snapshot.
  *
  * \param blob Blob.
  *
diff --git a/lib/blob/blobstore.c b/lib/blob/blobstore.c
index 065beebb7..7be85c74c 100644
--- a/lib/blob/blobstore.c
+++ b/lib/blob/blobstore.c
@@ -8478,7 +8478,8 @@ spdk_blob_is_clone(struct spdk_blob *blob)
 {
 	assert(blob != NULL);
 
-	if (blob->parent_id != SPDK_BLOBID_INVALID) {
+	if (blob->parent_id != SPDK_BLOBID_INVALID &&
+	    blob->parent_id != SPDK_BLOBID_EXTERNAL_SNAPSHOT) {
 		assert(spdk_blob_is_thin_provisioned(blob));
 		return true;
 	}
diff --git a/test/unit/lib/blob/blob.c/blob_ut.c b/test/unit/lib/blob/blob.c/blob_ut.c
index 0fa8debeb..e4c90abed 100644
--- a/test/unit/lib/blob/blob.c/blob_ut.c
+++ b/test/unit/lib/blob/blob.c/blob_ut.c
@@ -7486,6 +7486,7 @@ blob_esnap_create(void)
 	SPDK_CU_ASSERT_FATAL(blob != NULL);
 	SPDK_CU_ASSERT_FATAL(spdk_blob_is_esnap_clone(blob));
 	SPDK_CU_ASSERT_FATAL(blob_is_esnap_clone(blob));
+	SPDK_CU_ASSERT_FATAL(!spdk_blob_is_clone(blob));
 	sz = spdk_blob_get_num_clusters(blob);
 	CU_ASSERT(sz == esnap_num_clusters);
 	ut_blob_close_and_delete(bs, blob);