diff --git a/library/ssl_cookie.c b/library/ssl_cookie.c
index 1635832..4bf9058 100644
--- a/library/ssl_cookie.c
+++ b/library/ssl_cookie.c
@@ -38,9 +38,9 @@
 #define mbedtls_free      free
 #endif
 
-#include "mbedtls/error.h"
 #include "mbedtls/ssl_cookie.h"
 #include "mbedtls/ssl_internal.h"
+#include "mbedtls/error.h"
 #include "mbedtls/platform_util.h"
 
 #include <string.h>