diff --git a/pyext/GApplicationPars.i b/pyext/GApplicationPars.i
index 16ab03e..26f9987 100644
--- a/pyext/GApplicationPars.i
+++ b/pyext/GApplicationPars.i
@@ -28,6 +28,7 @@
 #include "GApplicationPars.hpp"
 #include "GException.hpp"
 #include "GFilename.hpp"
+#include "Python.h"
 %}