diff --git a/packages/server/src/services/preview-deployment.ts b/packages/server/src/services/preview-deployment.ts
index 20f64259bc..cc3d3dc020 100644
--- a/packages/server/src/services/preview-deployment.ts
+++ b/packages/server/src/services/preview-deployment.ts
@@ -17,7 +17,7 @@ import { manageDomain } from "../utils/traefik/domain";
 import { findApplicationById } from "./application";
 import { removeDeploymentsByPreviewDeploymentId } from "./deployment";
 import { createDomain } from "./domain";
-import { type Github, getIssueComment } from "./github";
+import { findGithubById, getIssueComment } from "./github";
 import { getWebServerSettings } from "./web-server-settings";
 
 export type PreviewDeployment = typeof previewDeployments.$inferSelect;
@@ -142,7 +142,17 @@ export const createPreviewDeployment = async (
 		org?.ownerId || "",
 	);
 
-	const octokit = authGithub(application?.github as Github);
+	if (!application.githubId) {
+		throw new TRPCError({
+			code: "NOT_FOUND",
+			message: "Github Account not configured correctly",
+		});
+	}
+
+	// `findApplicationById` redacts `githubPrivateKey` from the `github`
+	// relation, so the provider must be refetched to authenticate.
+	const githubProvider = await findGithubById(application.githubId);
+	const octokit = authGithub(githubProvider);
 
 	const runningComment = getIssueComment(
 		application.name,