diff --git a/README.rst b/README.rst
index 078aa1e1..3cbd8585 100644
--- a/README.rst
+++ b/README.rst
@@ -67,7 +67,7 @@ Choose any of the following input readers:
  - tesseract ``invoice2data --input-reader tesseract invoice.pdf``
  - pdf miner ``invoice2data --input-reader pdfminer invoice.pdf``
  - tesseract4 ``invoice2data --input-reader tesseract4 invoice.pdf``
- - gvision ``invoice2data --input-reader gvision invoice.pdf`` (needs ``GOOGLE_APPLICATION_CREDENTIALS`` env var)
+ - gvision ``invoice2data --input-reader gvision invoice.pdf`` (needs ``GOOGLE_APPLICATION_CREDENTIALS`` and a Google Cloud Bucket name. The bucket name can be set as an argument to the function ``to_text`` or as an Environment variable named ``GOOGLE_CLOUD_BUCKET_NAME`` )
 
 Choose any of the following output formats:
 
diff --git a/src/invoice2data/input/gvision.py b/src/invoice2data/input/gvision.py
index cfb48b49..cb75d5c7 100644
--- a/src/invoice2data/input/gvision.py
+++ b/src/invoice2data/input/gvision.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-def to_text(path, bucket_name='cloud-vision-84893', language='fr'):
+def to_text(path, bucket_name=None, language='fr'):
     """Sends PDF files to Google Cloud Vision for OCR.
 
     Before using invoice2data, make sure you have the auth json path set as
@@ -28,6 +28,14 @@ def to_text(path, bucket_name='cloud-vision-84893', language='fr'):
     # Supported mime_types are: 'application/pdf' and 'image/tiff'
     mime_type = 'application/pdf'
 
+    if bucket_name is None:
+        bucket_name = os.getenv('GOOGLE_CLOUD_BUCKET_NAME', None)
+
+        if bucket_name is None:
+            raise EnvironmentError(
+                'No Google Cloud Bucket name set.\n Set it as an input variable or as an environment variable named GOOGLE_CLOUD_BUCKET_NAME'
+            )
+
     path_dir, filename = os.path.split(path)
     result_blob_basename = filename.replace('.pdf', '').replace('.PDF', '')
     result_blob_name = result_blob_basename + '/output-1-to-1.json'
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 40f908f7..0741185f 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -133,7 +133,7 @@ def test_copy(self):
                     i += 1
 
         shutil.rmtree('tests/copy_test/', ignore_errors=True)
-        self.assertEqual(i, len(get_sample_files('.json')))
+        self.assertEqual(i, len(get_sample_files('.pdf')))
         '''
         if i != len(self._get_test_file_json_path()):
             print(i)