diff --git a/packages/app-store/slackmessaging/_metadata.ts b/packages/app-store/slackmessaging/_metadata.ts
index e6df330491..e4fc5307e6 100644
--- a/packages/app-store/slackmessaging/_metadata.ts
+++ b/packages/app-store/slackmessaging/_metadata.ts
@@ -5,11 +5,6 @@ import _package from "./package.json";
 export const metadata = {
   name: "Slack App",
   description: _package.description,
-  installed: !!(
-    process.env.SLACK_CLIENT_ID &&
-    process.env.SLACK_CLIENT_SECRET &&
-    process.env.SLACK_SIGNING_SECRET
-  ),
   category: "messaging",
   imageSrc: "/apps/slack.svg",
   logo: "/apps/slack.svg",
diff --git a/packages/app-store/slackmessaging/api/callback.ts b/packages/app-store/slackmessaging/api/callback.ts
index 20541a0ff1..ee2f37189f 100644
--- a/packages/app-store/slackmessaging/api/callback.ts
+++ b/packages/app-store/slackmessaging/api/callback.ts
@@ -3,8 +3,10 @@ import { stringify } from "querystring";
 
 import prisma from "@calcom/prisma";
 
-const client_id = process.env.SLACK_CLIENT_ID;
-const client_secret = process.env.SLACK_CLIENT_SECRET;
+import getAppKeysFromSlug from "../../_utils/getAppKeysFromSlug";
+
+let client_id = "";
+let client_secret = "";
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
   if (!req.session?.user?.id) {
@@ -19,6 +21,12 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       res.redirect("/apps/installed"); // Redirect to where the user was if they cancel the signup or if the oauth fails
     }
 
+    const appKeys = await getAppKeysFromSlug("slack");
+    if (typeof appKeys.client_id === "string") client_id = appKeys.client_id;
+    if (typeof appKeys.client_secret === "string") client_secret = appKeys.client_secret;
+    if (!client_id) return res.status(400).json({ message: "Slack client_id missing" });
+    if (!client_secret) return res.status(400).json({ message: "Slack client_secret missing" });
+
     const query = {
       client_secret,
       client_id,