diff --git a/reactos/sdk/include/psdk/ksmedia.h b/reactos/sdk/include/psdk/ksmedia.h
index bfabb9d2fbc..b3d0b86db5c 100644
--- a/reactos/sdk/include/psdk/ksmedia.h
+++ b/reactos/sdk/include/psdk/ksmedia.h
@@ -116,7 +116,7 @@ typedef LONGLONG REFERENCE_TIME;
 
 // USB Component ID
 #define STATIC_KSCOMPONENTID_USBAUDIO \
-    0x8F1275F0, 0x26E9, 0x4264, 0xBA, 0x4D, 0x39, 0xFF, 0xF0, 0x1D, 0x94, 0xAA
+    0x8F1275F0, 0x26E9, 0x4264, {0xBA, 0x4D, 0x39, 0xFF, 0xF0, 0x1D, 0x94, 0xAA}
 DEFINE_GUIDSTRUCT("8F1275F0-26E9-4264-BA4D-39FFF01D94AA", KSCOMPONENTID_USBAUDIO);
 #define KSCOMPONENTID_USBAUDIO DEFINE_GUIDNAMED(KSCOMPONENTID_USBAUDIO)