diff --git a/src/CXX/Config.hxx b/src/CXX/Config.hxx
index 951d22c9ac..2b728acafc 100644
--- a/src/CXX/Config.hxx
+++ b/src/CXX/Config.hxx
@@ -37,7 +37,8 @@
 #include "CXX/WrapPython.h"
 
 #if defined( PYCXX_6_2_COMPATIBILITY )
-    typedef int PyCxx_ssize_t;
+    //typedef int PyCxx_ssize_t;
+    typedef Py_ssize_t PyCxx_ssize_t;
 #else
     typedef Py_ssize_t PyCxx_ssize_t;
 #endif
diff --git a/src/Gui/SplitView3DInventor.cpp b/src/Gui/SplitView3DInventor.cpp
index de82e37a94..ba8bbd3404 100644
--- a/src/Gui/SplitView3DInventor.cpp
+++ b/src/Gui/SplitView3DInventor.cpp
@@ -728,7 +728,7 @@ Py::Object AbstractSplitViewPy::sequence_item(Py_ssize_t viewIndex)
     return Py::asObject(viewer);
 }
 
-int AbstractSplitViewPy::sequence_length()
+PyCxx_ssize_t AbstractSplitViewPy::sequence_length()
 {
     AbstractSplitView* view = getSplitViewPtr();
     return view->getSize();
diff --git a/src/Gui/SplitView3DInventor.h b/src/Gui/SplitView3DInventor.h
index 7cac36de13..5796d5074a 100644
--- a/src/Gui/SplitView3DInventor.h
+++ b/src/Gui/SplitView3DInventor.h
@@ -100,7 +100,7 @@ public:
     Py::Object getViewer(const Py::Tuple&);
     Py::Object sequence_item(Py_ssize_t);
     Py::Object close(const Py::Tuple&);
-    int sequence_length();
+    PyCxx_ssize_t sequence_length();
 
 private:
     Gui::MDIViewPy base;