diff --git a/app.ini.tmpl b/app.ini.tmpl
index 64f01ef..ec30369 100644
--- a/app.ini.tmpl
+++ b/app.ini.tmpl
@@ -57,6 +57,15 @@ MAILER_TYPE    = smtp
 IS_TLS_ENABLED = true
 {{ end }}
 
+{{ if eq (env "GITEA_OAUTH2_CLIENT_ENABLED") "1" }}
+[oauth2_client]
+REGISTER_EMAIL_CONFIRM = {{ env "GITEA_REGISTER_EMAIL_CONFIRM" }}
+ENABLE_AUTO_REGISTRATION = {{ env "GITEA_ENABLE_AUTO_REGISTRATION" }}
+USERNAME = {{ env "GITEA_OAUTH2_USERNAME" }}
+UPDATE_AVATAR = {{ env "GITEA_UPDATE_AVATAR" }}
+ACCOUNT_LINKING = {{ env "GITEA_ACCOUNT_LINKING" }}
+{{ end }}
+
 [markup.restructuredtext]
 ENABLED         = true
 FILE_EXTENSIONS = .rst