diff --git a/io_scene_dae/export_dae.py b/io_scene_dae/export_dae.py
index 29d3bfc..e68914e 100644
--- a/io_scene_dae/export_dae.py
+++ b/io_scene_dae/export_dae.py
@@ -596,6 +596,9 @@ def export_mesh(self, node, armature=None, skeyindex=-1, skel_source=None,
                     mat = mesh.materials[f.material_index]
                 except:
                     mat = None
+                    
+                if mat is None:
+                    mat = node.active_material
 
                 if (mat is not None):
                     materials[f.material_index] = self.export_material(