@@ -277,11 +277,11 @@
  */
 @property (readonly, nonatomic)
     OFString *decomposedStringWithCompatibilityMapping;
 #endif
 
-#ifdef OF_WINDOWS
+#if defined(OF_WINDOWS) || defined(DOXYGEN)
 /**
  * @brief The string with the Windows Environment Strings expanded.
  */
 @property (readonly, nonatomic)
     OFString *stringByExpandingWindowsEnvironmentStrings;