diff --git a/reactos/include/psdk/shellapi.h b/reactos/include/psdk/shellapi.h
index e952d5a0dff..0ec5510a089 100644
--- a/reactos/include/psdk/shellapi.h
+++ b/reactos/include/psdk/shellapi.h
@@ -304,6 +304,10 @@ typedef struct _SHNAMEMAPPINGW {
 } SHNAMEMAPPINGW, *LPSHNAMEMAPPINGW;
 #include <poppack.h>
 
+#define SHERB_NOCONFIRMATION 0x1
+#define SHERB_NOPROGRESSUI   0x2
+#define SHERB_NOSOUND        0x4
+
 LPWSTR * WINAPI CommandLineToArgvW(LPCWSTR,int*);
 void WINAPI DragAcceptFiles(HWND,BOOL);
 void WINAPI DragFinish(HDROP);