--- a/mercurial/osutil.c
+++ b/mercurial/osutil.c
@@ -9,6 +9,7 @@
 
 #define _ATFILE_SOURCE
 #define _LARGEFILE64_SOURCE
+#include <Python.h>
 #include <alloca.h>
 #include <dirent.h>
 #include <fcntl.h>
@@ -17,8 +18,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include "Python.h"
-
 struct listdir_stat {
     PyObject_HEAD
     struct stat st;