1 files changed, 1 insertions, 1 deletions
diff --git a/wgetopt.h b/wgetopt.h
index 5a03ba33..75c790d9 100644
--- a/wgetopt.h
+++ b/wgetopt.h
@@ -47,7 +47,7 @@ Cambridge, MA 02139, USA.  */
 #ifndef FISH_WGETOPT_H
 #define FISH_WGETOPT_H
 
-#include <wchar.h>
+#include <features.h>
 
 #ifdef  __cplusplus
 extern "C" {