1 files changed, 1 insertions, 0 deletions
diff --git a/lib/utils.js b/lib/utils.js
index e6aba14a..866bbaf9 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -66,5 +66,6 @@ export let fields = [
 ];
 
 export let getUser = async (username) => {
+  if (username === "undefined") fail("invalid user");
   return migrate(username);
 };