diff --git a/pyuno/source/module/pyuno_gc.cxx b/pyuno/source/module/pyuno_gc.cxx
index b77f9c481508..80cb9e11b810 100644
--- a/pyuno/source/module/pyuno_gc.cxx
+++ b/pyuno/source/module/pyuno_gc.cxx
@@ -69,7 +69,7 @@ void GCThread::execute()
         return;
     try
     {
-        PyThreadAttach g( (PyInterpreterState*)mPyInterpreter );
+        PyThreadAttach g( mPyInterpreter );
         {
             Runtime runtime;