diff --git a/include/dinputd.h b/include/dinputd.h
index 9c3b435cc6c..141e634b59d 100644
--- a/include/dinputd.h
+++ b/include/dinputd.h
@@ -27,6 +27,7 @@
 #endif
 
 DEFINE_GUID(IID_IDirectInputJoyConfig8, 0xEB0D7DFA,0x1990,0x4F27,0xB4,0xD6,0xED,0xF2,0xEE,0xC4,0xA4,0x4C);
+DEFINE_GUID(IID_IDirectInputPIDDriver, 0xeec6993a,0xb3fd,0x11d2,0xa9,0x16,0x00,0xc0,0x4f,0xb9,0x86,0x38);
 
 typedef struct IDirectInputJoyConfig8 *LPDIRECTINPUTJOYCONFIG8;