diff --git a/pillar/api/node_types/texture.py b/pillar/api/node_types/texture.py
index ad606112..e176131c 100644
--- a/pillar/api/node_types/texture.py
+++ b/pillar/api/node_types/texture.py
@@ -28,7 +28,7 @@ node_type_texture = {
                         'type': 'string',
                         'allowed': [
                             "alpha",
-                            "ambient occlusion"
+                            "ambient occlusion",
                             "bump",
                             "color",
                             "displacement",