diff --git a/index.ts b/index.ts
index 71bd1e6..7a08c24 100644
--- a/index.ts
+++ b/index.ts
@@ -23,7 +23,7 @@ const eligibilityCmd = async (ctx: any) => {
         matchedBy = "invalid input"
 
 
-    const res = await fetch("https://identity.hackclub.com/api/external/check?slack_id" + userId, {
+    const res = await fetch("https://identity.hackclub.com/api/external/check?slack_id=" + userId, {
         redirect: "follow"
     }).then(res => res.json())