diff --git a/sysdeps/mach/_strerror.c b/sysdeps/mach/_strerror.c
index 5be7d272a8..7b1599492a 100644
--- a/sysdeps/mach/_strerror.c
+++ b/sysdeps/mach/_strerror.c
@@ -16,6 +16,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <libintl.h>
 #include <stdio.h>
 #include <string.h>
 #include <mach/error.h>