diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i
index cd1c6a9..c7b79ec 100644
--- a/pylibfdt/libfdt.i
+++ b/pylibfdt/libfdt.i
@@ -52,6 +52,8 @@
 
 %module libfdt
 
+%include <stdint.i>
+
 %{
 #define SWIG_FILE_WITH_INIT
 #include "libfdt.h"