diff --git a/automl/google/cloud/automl_v1beta1/tables/gcs_client.py b/automl/google/cloud/automl_v1beta1/tables/gcs_client.py
index e5de17c3b0c9..99d40da2867c 100644
--- a/automl/google/cloud/automl_v1beta1/tables/gcs_client.py
+++ b/automl/google/cloud/automl_v1beta1/tables/gcs_client.py
@@ -132,7 +132,12 @@ def upload_pandas_dataframe(self, dataframe, uploaded_csv_name=None):
             uploaded_csv_name = "automl-tables-dataframe-{}.csv".format(
                 int(time.time())
             )
-        csv_string = dataframe.to_csv()
+
+        # Setting index to False to ignore exporting the data index:
+        # 1. The resulting column name for the index column is empty, AutoML
+        # Tables does not allow empty column name
+        # 2. The index is not an useful training information
+        csv_string = dataframe.to_csv(index=False)
 
         bucket = self.client.get_bucket(self.bucket_name)
         blob = bucket.blob(uploaded_csv_name)
diff --git a/automl/tests/unit/gapic/v1beta1/test_gcs_client_v1beta1.py b/automl/tests/unit/gapic/v1beta1/test_gcs_client_v1beta1.py
index f7a2e27ab7d8..222fca3244ee 100644
--- a/automl/tests/unit/gapic/v1beta1/test_gcs_client_v1beta1.py
+++ b/automl/tests/unit/gapic/v1beta1/test_gcs_client_v1beta1.py
@@ -139,7 +139,7 @@ def test_upload_pandas_dataframe(self):
 
         gcs_client.client.get_bucket.assert_called_with("my-bucket")
         mock_bucket.blob.assert_called_with("my-file.csv")
-        mock_blob.upload_from_string.assert_called_with(",col1,col2\n0,1,3\n1,2,4\n")
+        mock_blob.upload_from_string.assert_called_with("col1,col2\n1,3\n2,4\n")
         assert gcs_uri == "gs://my-bucket/my-file.csv"
 
     def test_upload_pandas_dataframe_no_csv_name(self):
@@ -156,7 +156,7 @@ def test_upload_pandas_dataframe_no_csv_name(self):
 
         gcs_client.client.get_bucket.assert_called_with("my-bucket")
         mock_bucket.blob.assert_called_with(generated_csv_name)
-        mock_blob.upload_from_string.assert_called_with(",col1,col2\n0,1,3\n1,2,4\n")
+        mock_blob.upload_from_string.assert_called_with("col1,col2\n1,3\n2,4\n")
         assert re.match("^gs://my-bucket/automl-tables-dataframe-[0-9]*.csv$", gcs_uri)
 
     def test_upload_pandas_dataframe_not_type_dataframe(self):