diff --git a/lib_xua/lib_xua/src/core/endpoint0/xua_ep0_descriptors.h b/lib_xua/lib_xua/src/core/endpoint0/xua_ep0_descriptors.h
index e1e90c1..407397c 100644
--- a/lib_xua/lib_xua/src/core/endpoint0/xua_ep0_descriptors.h
+++ b/lib_xua/lib_xua/src/core/endpoint0/xua_ep0_descriptors.h
@@ -21,7 +21,7 @@
 // Enable BOS descriptor only when DFU is enabled since the only capability we advertise is the MSOS desc with DFU interface enumerating as WinUSB.
 // Enumerating with 0 capabilities doesn't seem to be allowed
 #if (XUA_DFU_EN)
-    #define _XUA_ENABLE_BOS_DESC (0)        //alexy 20250822
+    #define _XUA_ENABLE_BOS_DESC (1)        //alexy 20250822
 #else
     #define _XUA_ENABLE_BOS_DESC (0)
 #endif