diff --git a/ExportThreeJS.cpp b/ExportThreeJS.cpp
index bd1df5d..b77d904 100644
--- a/ExportThreeJS.cpp
+++ b/ExportThreeJS.cpp
@@ -2103,7 +2103,7 @@ ExportThreeJS::FinishAmbient( void)
    m_Writer.OutText( "              document.getElementById('CM_25').disabled = true;") ;
    m_Writer.OutText( "           }") ;
    m_Writer.OutText( "           else {") ;
-   m_Writer.OutText( "              ShowGrid = true; GridGroup.visible = true; plane.visible = true; document.getElementById('BTGRID').disabled = false;") ;
+   m_Writer.OutText( "              ShowGrid = true; GridGroup.visible = true; plane.visible = false; document.getElementById('BTGRID').disabled = false;") ;
    m_Writer.OutText( "              document.getElementById('gridSize').disabled = false; document.getElementById('BTSETGRID').disabled = false;") ;
    m_Writer.OutText( "              document.getElementById('CM_25').disabled = false;") ;
    m_Writer.OutText( "           }") ;