diff --git a/dlp/deid.py b/dlp/deid.py
index 9c97f8e620e..c73631a3fc8 100644
--- a/dlp/deid.py
+++ b/dlp/deid.py
@@ -417,7 +417,7 @@ def write_data(data):
         help='Deidentify sensitive data in a string by masking it with a '
              'character.')
     mask_parser.add_argument(
-        '--info_types', action='append',
+        '--info_types', nargs='+',
         help='Strings representing info types to look for. A full list of '
              'info categories and types is available from the API. Examples '
              'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". '
diff --git a/dlp/inspect_content.py b/dlp/inspect_content.py
index a741e0ee734..6d93241bb9a 100644
--- a/dlp/inspect_content.py
+++ b/dlp/inspect_content.py
@@ -786,7 +786,7 @@ def callback(message):
         help='The Google Cloud project id to use as a parent resource.',
         default=default_project)
     parser_string.add_argument(
-        '--info_types', action='append',
+        '--info_types', nargs='+',
         help='Strings representing info types to look for. A full list of '
              'info categories and types is available from the API. Examples '
              'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". '
@@ -1041,7 +1041,7 @@ def callback(message):
         help='The Google Cloud project id to use as a parent resource.',
         default=default_project)
     parser_bigquery.add_argument(
-        '--info_types', action='append',
+        '--info_types', nargs='+',
         help='Strings representing info types to look for. A full list of '
              'info categories and types is available from the API. Examples '
              'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". '
diff --git a/dlp/redact.py b/dlp/redact.py
index 490f5524289..22ed77fa4db 100644
--- a/dlp/redact.py
+++ b/dlp/redact.py
@@ -121,7 +121,7 @@ def redact_image(project, filename, output_filename,
         help='The Google Cloud project id to use as a parent resource.',
         default=default_project)
     parser.add_argument(
-        '--info_types', action='append',
+        '--info_types', nargs='+',
         help='Strings representing info types to look for. A full list of '
              'info categories and types is available from the API. Examples '
              'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". '
diff --git a/dlp/templates.py b/dlp/templates.py
index 7ebde2cef1b..85d8a0bb494 100644
--- a/dlp/templates.py
+++ b/dlp/templates.py
@@ -178,7 +178,7 @@ def delete_inspect_template(project, template_id):
         help='The Google Cloud project id to use as a parent resource.',
         default=default_project)
     parser_create.add_argument(
-        '--info_types', action='append',
+        '--info_types', nargs='+',
         help='Strings representing info types to look for. A full list of '
              'info categories and types is available from the API. Examples '
              'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". '
diff --git a/dlp/triggers.py b/dlp/triggers.py
index 7126f0dcdc7..a486386e767 100644
--- a/dlp/triggers.py
+++ b/dlp/triggers.py
@@ -216,7 +216,7 @@ def delete_trigger(project, trigger_id):
         help='The Google Cloud project id to use as a parent resource.',
         default=default_project)
     parser_create.add_argument(
-        '--info_types', action='append',
+        '--info_types', nargs='+',
         help='Strings representing info types to look for. A full list of '
              'info categories and types is available from the API. Examples '
              'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". '