Index: src/OFPlugin.h
==================================================================
--- src/OFPlugin.h
+++ src/OFPlugin.h
@@ -14,20 +14,20 @@
  * file.
  */
 
 #import "OFObject.h"
 
-OF_ASSUME_NONNULL_BEGIN
-
 @class OFString;
 
 #ifndef _WIN32
 typedef void* of_plugin_handle_t;
 #else
 # include <windows.h>
 typedef HMODULE of_plugin_handle_t;
 #endif
+
+OF_ASSUME_NONNULL_BEGIN
 
 /*!
  * @class OFPlugin OFPlugin.h ObjFW/OFPlugin.h
  *
  * @brief Provides a system for loading plugins at runtime.