diff --git a/src/api/authenticate.ts b/src/api/authenticate.ts
index 2304acff2..6b70b0bfa 100644
--- a/src/api/authenticate.ts
+++ b/src/api/authenticate.ts
@@ -47,7 +47,7 @@ export default (req: express.Request) => new Promise<IAuthContext>(async (resolv
 		});
 
 		if (accessToken === null) {
-			return reject('invalid token');
+			return reject('invalid signature');
 		}
 
 		const app = await App
diff --git a/src/api/streaming.ts b/src/api/streaming.ts
index 49269ac44..7a8d2d435 100644
--- a/src/api/streaming.ts
+++ b/src/api/streaming.ts
@@ -68,7 +68,7 @@ function authenticate(connection: websocket.connection, token: string): Promise<
 			});
 
 			if (accessToken == null) {
-				return reject('invalid token');
+				return reject('invalid signature');
 			}
 
 			// Fetch user