diff --git a/assets/blender/scripts/export_buildings.py b/assets/blender/scripts/export_buildings.py
index a9474dc..7e71536 100644
--- a/assets/blender/scripts/export_buildings.py
+++ b/assets/blender/scripts/export_buildings.py
@@ -18,7 +18,10 @@ sys.path.insert(1, incpath + "/blender2ogre")
 
 
 import io_ogre
-io_ogre.register()
+try:
+    io_ogre.register()
+except:
+    pass
 
 gltf_file = argv[0]
 print("Exporting to " + gltf_file)