diff --git a/CHANGELOG.md b/CHANGELOG.md
index f81c075..96a0de4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,15 @@ Activate / deactivate layer opaticty according to prefix
 Activate / deactivate all masks using MA layers
 -->
 
+0.3.3:
+
+fix: norm name : lowercase first (else bad naming break prefix)
+
+0.3.2
+
+- code: grouped output management ops
+- fix: name dash to underscore (normalize)
+
 0.3.1
 
 - fix: renumbering in the right order (since top layers are at bottom of file output)
diff --git a/OP_setup_layers.py b/OP_setup_layers.py
index ac36611..61a33b4 100644
--- a/OP_setup_layers.py
+++ b/OP_setup_layers.py
@@ -187,6 +187,8 @@ class GPEXP_OT_lower_layers_name(bpy.types.Operator):
 
             if self.layer_name:
                 for l in ob.data.layers:
+                    # if self.dash_to_undescore:
+                    l.info = l.info.replace('-', '_')
                     fn.normalize_layer_name(l) # default : lower=True, dash_to_underscore=self.dash_to_undescore
 
         return {"FINISHED"}
diff --git a/__init__.py b/__init__.py
index dfa0e05..0b9c543 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,7 +2,7 @@ bl_info = {
     "name": "GP Render",
     "description": "Organise export of gp layers through compositor output",
     "author": "Samuel Bernou",
-    "version": (0, 3, 2),
+    "version": (0, 3, 3),
     "blender": (2, 93, 0),
     "location": "View3D",
     "warning": "",