diff --git a/Sources/App/DeviceManager.swift b/Sources/App/DeviceManager.swift
index 8ee45a5..98723a9 100644
--- a/Sources/App/DeviceManager.swift
+++ b/Sources/App/DeviceManager.swift
@@ -140,7 +140,8 @@ final class DeviceManager {
     func createNewDeviceConnection(socket: WebSocket, auth: String) async {
         guard let key = Data(fromHexEncodedString: auth),
               SHA256.hash(data: key) == self.deviceKey else {
-            log("Invalid device key")
+            log("Invalid device key while opening socket")
+            try? await socket.close()
             return
         }
         await removeDeviceConnection()
@@ -149,6 +150,12 @@ final class DeviceManager {
         socket.eventLoop.execute {
             socket.pingInterval = .seconds(10)
             
+            socket.onText { socket, text in
+                print("[WARN] Received text over socket: \(text)")
+                // Close connection to prevent spamming the log
+                try? await socket.close()
+            }
+            
             socket.onBinary { [weak self] _, data in
                 self?.processDeviceResponse(data)
             }