diff --git a/plugins/modules/mysql_user.py b/plugins/modules/mysql_user.py
index 10e37fc..fd3cc90 100644
--- a/plugins/modules/mysql_user.py
+++ b/plugins/modules/mysql_user.py
@@ -365,7 +365,7 @@ def main():
     ssl_key = module.params["client_key"]
     ssl_ca = module.params["ca_cert"]
     check_hostname = module.params["check_hostname"]
-    db = ''
+    db = 'mysql'
     sql_log_bin = module.params["sql_log_bin"]
     plugin = module.params["plugin"]
     plugin_hash_string = module.params["plugin_hash_string"]