diff --git a/client/sources-linux/mktab.py b/client/sources-linux/mktab.py
index 4285af54..b9bb4dc7 100644
--- a/client/sources-linux/mktab.py
+++ b/client/sources-linux/mktab.py
@@ -33,6 +33,7 @@ PyObject *, PyErr_Occurred, (void)
 void, PyErr_Fetch, (PyObject **, PyObject **, PyObject **)
 void, PyErr_Clear, (void)
 int, PyObject_IsInstance, (PyObject *, PyObject *)
+PyObject *, PyCapsule_New, (void *, const char *, void *)
 
 PyObject, PyInt_Type
 PyObject, _Py_NoneStruct