diff --git a/sys/share/cppregex.cpp b/sys/share/cppregex.cpp
index eeec30b98..75cfa6123 100644
--- a/sys/share/cppregex.cpp
+++ b/sys/share/cppregex.cpp
@@ -3,15 +3,16 @@
 /* Copyright (c) Sean Hunt  2015.                                 */
 /* NetHack may be freely redistributed.  See license for details. */
 
+#include <regex>
+#include <memory>
+#include <cstring>
+
 extern "C" {
 #include "config.h"
 #define CPPREGEX_C
 #include "extern.h"
 } // extern "C"
 
-#include <regex>
-#include <memory>
-#include <cstring>
 
 extern "C" { // rest of file