diff --git a/src/v2/logging_service_v2_client.ts b/src/v2/logging_service_v2_client.ts
index c3d839d7..b7e16e50 100644
--- a/src/v2/logging_service_v2_client.ts
+++ b/src/v2/logging_service_v2_client.ts
@@ -286,7 +286,8 @@ export class LoggingServiceV2Client {
     // Provide descriptors for these.
     this.descriptors.stream = {
       tailLogEntries: new this._gaxModule.StreamDescriptor(
-        gax.StreamType.BIDI_STREAMING
+        gax.StreamType.BIDI_STREAMING,
+        opts.fallback === 'rest'
       ),
     };