diff --git a/src/server/index.ts b/src/server/index.ts
index 285c5ba..78f8425 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -102,8 +102,9 @@ app.get("/logout", async (c) => {
 	const issuer = process.env.OIDC_ISSUER;
 	const postLogoutRedirect = new URL("/", c.req.url).origin;
 	if (issuer) {
+		const clientId = process.env.OIDC_CLIENT_ID;
 		return c.redirect(
-			`${issuer}/session/end?post_logout_redirect_uri=${encodeURIComponent(postLogoutRedirect)}`,
+			`${issuer}/session/end?client_id=${encodeURIComponent(clientId || "")}&post_logout_redirect_uri=${encodeURIComponent(postLogoutRedirect)}`,
 		);
 	}
 	return c.redirect("/");