diff --git a/test/default/cmptest.h b/test/default/cmptest.h
index fc54b259..7e4c894d 100644
--- a/test/default/cmptest.h
+++ b/test/default/cmptest.h
@@ -7,12 +7,12 @@
 #endif
 
 #include <assert.h>
+#include <errno.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
-#include <errno.h>
 
 #include "sodium.h"
 #include "quirks.h"