diff --git a/packages/google-cloud-tasks/esm/src/v2/cloud_tasks_client.ts b/packages/google-cloud-tasks/esm/src/v2/cloud_tasks_client.ts
index f3a2ebef0ab..4c06ccf3fda 100644
--- a/packages/google-cloud-tasks/esm/src/v2/cloud_tasks_client.ts
+++ b/packages/google-cloud-tasks/esm/src/v2/cloud_tasks_client.ts
@@ -176,6 +176,7 @@ export class CloudTasksClient {
     }
 
     // Choose either gRPC or proto-over-HTTP implementation of google-gax.
+    // @ts-ignore
     this._gaxModule = opts.fallback ? gaxInstance.fallback : gaxInstance;
 
     // Create a `gaxGrpc` object, with any grpc-specific options sent to the client.
diff --git a/packages/google-cloud-tasks/esm/src/v2beta2/cloud_tasks_client.ts b/packages/google-cloud-tasks/esm/src/v2beta2/cloud_tasks_client.ts
index a675087a02e..30971ad7707 100644
--- a/packages/google-cloud-tasks/esm/src/v2beta2/cloud_tasks_client.ts
+++ b/packages/google-cloud-tasks/esm/src/v2beta2/cloud_tasks_client.ts
@@ -176,6 +176,7 @@ export class CloudTasksClient {
     }
 
     // Choose either gRPC or proto-over-HTTP implementation of google-gax.
+    // @ts-ignore
     this._gaxModule = opts.fallback ? gaxInstance.fallback : gaxInstance;
 
     // Create a `gaxGrpc` object, with any grpc-specific options sent to the client.
diff --git a/packages/google-cloud-tasks/esm/src/v2beta3/cloud_tasks_client.ts b/packages/google-cloud-tasks/esm/src/v2beta3/cloud_tasks_client.ts
index db91dfdbd9f..4c41bacd1da 100644
--- a/packages/google-cloud-tasks/esm/src/v2beta3/cloud_tasks_client.ts
+++ b/packages/google-cloud-tasks/esm/src/v2beta3/cloud_tasks_client.ts
@@ -176,6 +176,7 @@ export class CloudTasksClient {
     }
 
     // Choose either gRPC or proto-over-HTTP implementation of google-gax.
+    // @ts-ignore
     this._gaxModule = opts.fallback ? gaxInstance.fallback : gaxInstance;
 
     // Create a `gaxGrpc` object, with any grpc-specific options sent to the client.