diff --git a/reactos/include/psdk/shlobj.h b/reactos/include/psdk/shlobj.h
index 0d0952c4feb..e229adc20b4 100644
--- a/reactos/include/psdk/shlobj.h
+++ b/reactos/include/psdk/shlobj.h
@@ -22,7 +22,10 @@
 #include <ole2.h>
 #include <commctrl.h>
 #include <prsht.h>
+
+#ifndef INITGUID
 #include <shlguid.h>
+#endif
 
 #ifdef WINE_NO_UNICODE_MACROS
 #undef GetObject