diff --git a/router/middleware/session/user.go b/router/middleware/session/user.go
index 9303efd10..25ee9646b 100644
--- a/router/middleware/session/user.go
+++ b/router/middleware/session/user.go
@@ -91,7 +91,7 @@ func MustAdmin() gin.HandlerFunc {
 			c.String(401, "User not authorized")
 			c.Abort()
 		case user.Admin == false:
-			c.String(413, "User not authorized")
+			c.String(403, "User not authorized")
 			c.Abort()
 		default:
 			c.Next()