1 files changed, 4 insertions, 1 deletions
diff --git a/python/progress.h b/python/progress.h
index 80cb2785..7e75652b 100644
--- a/python/progress.h
+++ b/python/progress.h
@@ -74,6 +74,8 @@ struct PyFetchProgress : public pkgAcquireStatus, public PyCallbackObj
    virtual bool MediaChange(string Media, string Drive);
 
    void setPyAcquire(PyObject *o) {
+      Py_CLEAR(pyAcquire);
+      Py_INCREF(o);
       pyAcquire = o;
    }
 
@@ -86,7 +88,8 @@ struct PyFetchProgress : public pkgAcquireStatus, public PyCallbackObj
    virtual void Stop();
 
    bool Pulse(pkgAcquire * Owner);
-   PyFetchProgress() : PyCallbackObj() {};
+   PyFetchProgress() : PyCallbackObj(), pyAcquire(0) {};
+   ~PyFetchProgress()  { Py_XDECREF(pyAcquire); };
 };
 
 struct PyInstallProgress : public PyCallbackObj