diff --git a/Source/Platform.h b/Source/Platform.h
index f0351642..ea611863 100644
--- a/Source/Platform.h
+++ b/Source/Platform.h
@@ -335,6 +335,14 @@ typedef WORD LANGID;
 #  define CSIDL_CDBURN_AREA 0x3B
 #endif
 
+// other shell stuff
+
+#ifndef SHACF_FILESYSTEM
+#  define SHACF_FILESYSTEM 1
+#endif
+
+// other stuff
+
 #ifndef CP_ACP
 #  define CP_ACP 0
 #endif
@@ -346,6 +354,8 @@ typedef WORD LANGID;
 #  define COLOR_WINDOW 5
 #endif
 
+// resources
+
 #ifndef RT_BITMAP
 #  define RT_BITMAP MAKEINTRESOURCE(2)
 #endif
@@ -362,6 +372,8 @@ typedef WORD LANGID;
 #  define RT_VERSION MAKEINTRESOURCE(16)
 #endif
 
+// version
+
 #ifndef VS_FILE_INFO
 #  define VS_FILE_INFO RT_VERSION
 #endif