diff --git a/plugins/module_utils/user.py b/plugins/module_utils/user.py
index bd71691..5e0196a 100644
--- a/plugins/module_utils/user.py
+++ b/plugins/module_utils/user.py
@@ -393,6 +393,7 @@ def user_mod(cursor, user, host, host_all, password, encrypted,
                 update = True
 
             if update:
+                query_with_args = None
                 if plugin_hash_string:
                     query_with_args = "ALTER USER %s@%s IDENTIFIED WITH %s AS %s", (user, host, plugin, plugin_hash_string)
                 elif plugin_auth_string:
diff --git a/plugins/modules/mysql_user.py b/plugins/modules/mysql_user.py
index 0c7021b..2ee5e01 100644
--- a/plugins/modules/mysql_user.py
+++ b/plugins/modules/mysql_user.py
@@ -20,6 +20,7 @@ options:
       - Name of the user (role) to add or remove.
     type: str
     required: true
+    aliases: ['user']
   password:
     description:
       - Set the user's password. Only for C(mysql_native_password) authentication.
diff --git a/tests/sanity/ignore-2.15.txt b/tests/sanity/ignore-2.15.txt
index 55b2904..152162d 100644
--- a/tests/sanity/ignore-2.15.txt
+++ b/tests/sanity/ignore-2.15.txt
@@ -1,4 +1,3 @@
 plugins/modules/mysql_db.py validate-modules:use-run-command-not-popen
-plugins/modules/mysql_user.py validate-modules:undocumented-parameter
 plugins/module_utils/mysql.py pylint:unused-import
 plugins/module_utils/version.py pylint:unused-import
diff --git a/tests/sanity/ignore-2.16.txt b/tests/sanity/ignore-2.16.txt
index 55b2904..152162d 100644
--- a/tests/sanity/ignore-2.16.txt
+++ b/tests/sanity/ignore-2.16.txt
@@ -1,4 +1,3 @@
 plugins/modules/mysql_db.py validate-modules:use-run-command-not-popen
-plugins/modules/mysql_user.py validate-modules:undocumented-parameter
 plugins/module_utils/mysql.py pylint:unused-import
 plugins/module_utils/version.py pylint:unused-import
diff --git a/tests/sanity/ignore-2.17.txt b/tests/sanity/ignore-2.17.txt
index 55b2904..152162d 100644
--- a/tests/sanity/ignore-2.17.txt
+++ b/tests/sanity/ignore-2.17.txt
@@ -1,4 +1,3 @@
 plugins/modules/mysql_db.py validate-modules:use-run-command-not-popen
-plugins/modules/mysql_user.py validate-modules:undocumented-parameter
 plugins/module_utils/mysql.py pylint:unused-import
 plugins/module_utils/version.py pylint:unused-import
diff --git a/tests/sanity/ignore-2.18.txt b/tests/sanity/ignore-2.18.txt
index 55b2904..152162d 100644
--- a/tests/sanity/ignore-2.18.txt
+++ b/tests/sanity/ignore-2.18.txt
@@ -1,4 +1,3 @@
 plugins/modules/mysql_db.py validate-modules:use-run-command-not-popen
-plugins/modules/mysql_user.py validate-modules:undocumented-parameter
 plugins/module_utils/mysql.py pylint:unused-import
 plugins/module_utils/version.py pylint:unused-import