diff --git a/io_scene_ms3d/__init__.py b/io_scene_ms3d/__init__.py
index 4f51ef69a079d439e2c58da16963a83e6b6396a6..c73b0a8d2fa5a4d6f49ecc8d1d754d5ff8fc3a25 100644
--- a/io_scene_ms3d/__init__.py
+++ b/io_scene_ms3d/__init__.py
@@ -23,7 +23,7 @@ bl_info = {
     'description': "Import / Export MilkShape3D MS3D files"\
             " (conform with MilkShape3D v1.8.4)",
     'author': "Alexander Nussbaumer",
-    'version': (0, 95, 0),
+    'version': (0, 95, 1),
     'blender': (2, 65, 3),
     'location': "File > Import & File > Export",
     'warning': "",
diff --git a/io_scene_ms3d/ms3d_export.py b/io_scene_ms3d/ms3d_export.py
index 5f256a8d5d14be22a6f08c5bd0adc25fb2b62ed9..b48ee2714f53b1b7b2cdb369a4661c6dd64d3e26 100644
--- a/io_scene_ms3d/ms3d_export.py
+++ b/io_scene_ms3d/ms3d_export.py
@@ -392,7 +392,10 @@ class Ms3dExporter():
                                 for weight in weights:
                                     weight_sum += weight
 
-                                weight_normalize = 1.0 / weight_sum
+                                if weight_sum > 0.0:
+                                    weight_normalize = 1.0 / weight_sum
+                                else:
+                                    weight_normalize = 1.0
 
                                 weight_sum = 1.0
                                 for index, weight in enumerate(weights):