diff --git a/src/Gui/View3DInventor.cpp b/src/Gui/View3DInventor.cpp
index 8d4a5db50..95649cb2d 100644
--- a/src/Gui/View3DInventor.cpp
+++ b/src/Gui/View3DInventor.cpp
@@ -566,23 +566,23 @@ bool View3DInventor::onMsg(const char* pMsg, const char** ppReturn)
         return true;
     }
     else if(strcmp("SetStereoRedGreen",pMsg) == 0 ) {
-        _viewer->setProperty("StereoMode", Quarter::SoQTQuarterAdaptor::ANAGLYPH);
+        _viewer->setStereoMode(Quarter::SoQTQuarterAdaptor::ANAGLYPH);
         return true;
     }
     else if(strcmp("SetStereoQuadBuff",pMsg) == 0 ) {
-        _viewer->setProperty("StereoMode", Quarter::SoQTQuarterAdaptor::QUAD_BUFFER );
+        _viewer->setStereoMode(Quarter::SoQTQuarterAdaptor::QUAD_BUFFER );
         return true;
     }
     else if(strcmp("SetStereoInterleavedRows",pMsg) == 0 ) {
-        _viewer->setProperty("StereoMode", Quarter::SoQTQuarterAdaptor::INTERLEAVED_ROWS );
+        _viewer->setStereoMode(Quarter::SoQTQuarterAdaptor::INTERLEAVED_ROWS );
         return true;
     }
     else if(strcmp("SetStereoInterleavedColumns",pMsg) == 0 ) {
-        _viewer->setProperty("StereoMode", Quarter::SoQTQuarterAdaptor::INTERLEAVED_COLUMNS  );
+        _viewer->setStereoMode(Quarter::SoQTQuarterAdaptor::INTERLEAVED_COLUMNS  );
         return true;
     }
     else if(strcmp("SetStereoOff",pMsg) == 0 ) {
-        _viewer->setProperty("StereoMode", Quarter::SoQTQuarterAdaptor::MONO );
+        _viewer->setStereoMode(Quarter::SoQTQuarterAdaptor::MONO );
         return true;
    }
     else if(strcmp("Example1",pMsg) == 0 ) {
diff --git a/src/Gui/View3DPy.cpp b/src/Gui/View3DPy.cpp
index dc4f93aad..c0d67134b 100644
--- a/src/Gui/View3DPy.cpp
+++ b/src/Gui/View3DPy.cpp
@@ -1046,7 +1046,7 @@ Py::Object View3DInventorPy::setStereoType(const Py::Tuple& args)
         if (stereomode < 0 || stereomode > 4)
             throw Py::Exception("Out of range");
         Quarter::SoQTQuarterAdaptor::StereoMode mode = Quarter::SoQTQuarterAdaptor::StereoMode(stereomode);
-        _view->getViewer()->setProperty("StereoMode",mode);
+        _view->getViewer()->setStereoMode(mode);
         return Py::None();
     }
     catch (const Base::Exception& e) {