diff --git a/controllers/account.go b/controllers/account.go
index 03e2fd76..21adfde9 100644
--- a/controllers/account.go
+++ b/controllers/account.go
@@ -290,10 +290,11 @@ func (c *ApiController) Logout() {
 		c.ResponseOk(user, application.HomepageUrl)
 		return
 	} else {
-		if redirectUri == "" {
-			c.ResponseError(c.T("general:Missing parameter") + ": post_logout_redirect_uri")
-			return
-		}
+		// "post_logout_redirect_uri" has been made optional, see: https://github.com/casdoor/casdoor/issues/2151
+		// if redirectUri == "" {
+		// 	c.ResponseError(c.T("general:Missing parameter") + ": post_logout_redirect_uri")
+		// 	return
+		// }
 		if accessToken == "" {
 			c.ResponseError(c.T("general:Missing parameter") + ": id_token_hint")
 			return