diff --git a/src/Gui/NaviCube.cpp b/src/Gui/NaviCube.cpp
index 61321c38c9..91ddc438ae 100644
--- a/src/Gui/NaviCube.cpp
+++ b/src/Gui/NaviCube.cpp
@@ -375,6 +375,7 @@ GLuint NaviCubeImplementation::createCubeFaceTex(QtGLWidget* gl, float gap, floa
 #if !defined(HAVE_QT5_OPENGL)
 	return gl->bindTexture(image);
 #else
+    Q_UNUSED(gl);
     QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
     m_glTextures.push_back(texture);
     return texture->textureId();
@@ -476,6 +477,7 @@ GLuint NaviCubeImplementation::createButtonTex(QtGLWidget* gl, int button) {
 #if !defined(HAVE_QT5_OPENGL)
 	return gl->bindTexture(image);
 #else
+    Q_UNUSED(gl);
     QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
     m_glTextures.push_back(texture);
     return texture->textureId();
@@ -548,6 +550,7 @@ GLuint NaviCubeImplementation::createMenuTex(QtGLWidget* gl, bool forPicking) {
 #if !defined(HAVE_QT5_OPENGL)
 	return gl->bindTexture(image);
 #else
+    Q_UNUSED(gl);
     QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
     m_glTextures.push_back(texture);
     return texture->textureId();
diff --git a/src/Gui/View3DInventor.cpp b/src/Gui/View3DInventor.cpp
index 9d0c58d9ee..730246de1a 100644
--- a/src/Gui/View3DInventor.cpp
+++ b/src/Gui/View3DInventor.cpp
@@ -367,7 +367,7 @@ void View3DInventor::OnChange(ParameterGrp::SubjectType &rCaller,ParameterGrp::M
         _viewer->setEnabledNaviCube(rGrp.GetBool("ShowNaviCube",true));
     }
     else if (strcmp(Reason,"CornerNaviCube") == 0) {
-        _viewer->setNaviCubeCorner(rGrp.GetInt("CornerNaviCube",0));
+        _viewer->setNaviCubeCorner(rGrp.GetInt("CornerNaviCube",1));
     }
     else if (strcmp(Reason,"UseVBO") == 0) {
         _viewer->setEnabledVBO(rGrp.GetBool("UseVBO",false));