diff --git a/cou/commands.py b/cou/commands.py
index d2e68b30..5f00b568 100644
--- a/cou/commands.py
+++ b/cou/commands.py
@@ -78,9 +78,9 @@ def get_subcommand_common_opts_parser() -> argparse.ArgumentParser:
     A SUPPRESS default is not inserted into the namespace at the start of parsing. A value is
     written only if the user used that argument.
 
-    Without SUPPRESS a command like: "cou upgrade --force data-plane" wouldn't force the data-plan
-    to upgrade non-empty hypervisors, because the "child" argument "data-plane" would overwrite
-    with False.
+    Without SUPPRESS a command like: "cou upgrade --force data-plane" wouldn't force the data-plane
+    to upgrade non-empty hypervisors, because the "child" argument "data-plane" would overwrite it
+    with a default value False.
 
     :return: a parser groups options commonly shared by subcommands
     :rtype: argparse.ArgumentParser
@@ -254,6 +254,7 @@ def create_upgrade_subparser(
         help="Automatically approve and continue with each upgrade step without prompt.",
         action="store_true",
         dest="auto_approve",
+        default=argparse.SUPPRESS,
     )
     upgrade_parser = subparsers.add_parser(
         "upgrade",
diff --git a/tests/unit/test_commands.py b/tests/unit/test_commands.py
index f3147003..14005941 100644
--- a/tests/unit/test_commands.py
+++ b/tests/unit/test_commands.py
@@ -591,6 +591,22 @@ def test_parse_args_plan(args, expected_CLIargs):
                 **{"upgrade_group": "data-plane"}
             ),
         ),
+        (
+            ["upgrade", "--auto-approve", "data-plane", "--hostname=1", "-n=2,3"],
+            CLIargs(
+                command="upgrade",
+                model_name=None,
+                verbosity=0,
+                quiet=False,
+                auto_approve=True,
+                backup=True,
+                force=False,
+                machines=None,
+                hostnames=["1", "2,3"],
+                availability_zones=None,
+                **{"upgrade_group": "data-plane"}
+            ),
+        ),
         (
             ["upgrade", "data-plane", "--auto-approve", "--force", "--hostname=1", "-n=2,3"],
             CLIargs(