diff --git a/src/v1/big_query_read_client.ts b/src/v1/big_query_read_client.ts
index a0246aef..525177ca 100644
--- a/src/v1/big_query_read_client.ts
+++ b/src/v1/big_query_read_client.ts
@@ -185,7 +185,8 @@ export class BigQueryReadClient {
     // Provide descriptors for these.
     this.descriptors.stream = {
       readRows: new this._gaxModule.StreamDescriptor(
-        gax.StreamType.SERVER_STREAMING
+        gax.StreamType.SERVER_STREAMING,
+        opts.fallback === 'rest'
       ),
     };
 
diff --git a/src/v1/big_query_write_client.ts b/src/v1/big_query_write_client.ts
index 1cb67db7..2ab96c5d 100644
--- a/src/v1/big_query_write_client.ts
+++ b/src/v1/big_query_write_client.ts
@@ -188,7 +188,8 @@ export class BigQueryWriteClient {
     // Provide descriptors for these.
     this.descriptors.stream = {
       appendRows: new this._gaxModule.StreamDescriptor(
-        gax.StreamType.BIDI_STREAMING
+        gax.StreamType.BIDI_STREAMING,
+        opts.fallback === 'rest'
       ),
     };
 
diff --git a/src/v1beta1/big_query_storage_client.ts b/src/v1beta1/big_query_storage_client.ts
index 342ef1a6..544d6d47 100644
--- a/src/v1beta1/big_query_storage_client.ts
+++ b/src/v1beta1/big_query_storage_client.ts
@@ -179,7 +179,8 @@ export class BigQueryStorageClient {
     // Provide descriptors for these.
     this.descriptors.stream = {
       readRows: new this._gaxModule.StreamDescriptor(
-        gax.StreamType.SERVER_STREAMING
+        gax.StreamType.SERVER_STREAMING,
+        opts.fallback === 'rest'
       ),
     };