diff --git a/os/timingsafe_memcmp.c b/os/timingsafe_memcmp.c
index 65679c87a..4eaba627e 100644
--- a/os/timingsafe_memcmp.c
+++ b/os/timingsafe_memcmp.c
@@ -14,10 +14,10 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <dix-config.h>
 #include <limits.h>
 #include <string.h>
 #include <X11/Xfuncproto.h>
-#include <dix-config.h>
 #include "os.h"
 
 int