diff --git a/radiant/mainframe.cpp b/radiant/mainframe.cpp
index b0df68fa..546ba9d7 100644
--- a/radiant/mainframe.cpp
+++ b/radiant/mainframe.cpp
@@ -186,6 +186,7 @@ void VFS_Destroy()
 
 #ifdef WIN32
 #include <shlobj.h>
+#include <objbase.h>
 const GUID qFOLDERID_SavedGames = {0x4C5C32FF, 0xBB9D, 0x43b0, {0xB5, 0xB4, 0x2D, 0x72, 0xE5, 0x4E, 0xAA, 0xA4}};
 #define qREFKNOWNFOLDERID GUID
 #define qKF_FLAG_CREATE 0x8000