@@ -14,10 +14,12 @@
  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
  * file.
  */
 
 #include "config.h"
+
+#define OF_FILE_MANAGER_M
 
 #include <errno.h>
 #include <limits.h>
 #include "unistd_wrapper.h"