diff --git a/example/libusb/profile.gatt b/example/libusb/profile.gatt
index 90176db26..eeb556eb7 100644
--- a/example/libusb/profile.gatt
+++ b/example/libusb/profile.gatt
@@ -83,7 +83,7 @@ CHARACTERISTIC, F10D, READ | WRITE | WRITE_WITHOUT_RESPONSE | DYNAMIC,
 // - read/write without response
 CHARACTERISTIC, F10C, READ | WRITE_WITHOUT_RESPONSE | DYNAMIC, 
 // - read/authenticated signed writes
-CHARACTERISTIC, F10E, READ | AUTHENTICATED_SIGNED_WRITE | DYNAMIC,
+CHARACTERISTIC, F10E, READ | WRITE | AUTHENTICATED_SIGNED_WRITE | DYNAMIC,
 
 
 // Primary Service with 128-bit UUID, included service