diff --git a/src/Mod/Arch/importWebGL.py b/src/Mod/Arch/importWebGL.py
index 3cd41255bb..e9b1ef5cb7 100644
--- a/src/Mod/Arch/importWebGL.py
+++ b/src/Mod/Arch/importWebGL.py
@@ -692,7 +692,7 @@ def export( exportList, filename, colors = None, camera = None ):
 
         color = '#cccccc'
         opacity = 1.0
-        if FreeCADGui:
+        if FreeCADGui and hasattr(obj.ViewObject, "ShapeColor"):
             color = Draft.getrgb(obj.ViewObject.ShapeColor, testbw = False)
             opacity = int((100 - obj.ViewObject.Transparency)/5) / 20 # 0>>1 with step of 0.05
         elif colors: