diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16e5605..4223dc8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+2.0.11
+
+- fix: prefix set by project environment
+
 2.0.10
 
 - fix: poll error in console
diff --git a/__init__.py b/__init__.py
index 9d35025..7bf2f98 100755
--- a/__init__.py
+++ b/__init__.py
@@ -4,7 +4,7 @@ bl_info = {
 "name": "GP toolbox",
 "description": "Tool set for Grease Pencil in animation production",
 "author": "Samuel Bernou, Christophe Seux",
-"version": (2, 0, 10),
+"version": (2, 0, 11),
 "blender": (3, 0, 0),
 "location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
 "warning": "",
@@ -654,23 +654,38 @@ class GPTB_prefs(bpy.types.AddonPreferences):
 ### --- ENV_PROP ---
 def set_namespace_env(name_env, prop_group):
     tag_list = os.getenv(name_env)
+    current_pfix = []
     if tag_list:
         tag_list = tag_list.strip(',').split(',')
         current_pfix = [n.tag for n in prop_group.namespaces if n.tag]
+        for n in prop_group.namespaces:
+            print(n.tag, n.name)
         for p in tag_list:
-            pf = p.split(':')[0].strip()
+            tag = p.split(':')[0].strip()
             name = '' if not ':' in p else p.split(':')[1].strip()
-            if pf not in current_pfix:
+            item = None
+            if tag not in current_pfix:
                 item = prop_group.namespaces.add()
-                item.tag = pf
+                item.tag = tag
                 item.name = name
                 item.is_project = True
+                print('Loaded project tag:', tag, name)
+            elif name:
+                # get the tag and apply name 
+                item = [n for n in prop_group.namespaces if n.tag == tag][0]
+                if not item.name.strip():
+                    item.name = name
+                print('Loaded name:', name)
+            
+            if item:
+                item.is_project = True
+
     else:
         tag_list = []
 
     # "release" suffix that are not in project anymore
     for n in prop_group.namespaces:
-        if n.tag not in tag_list:
+        if n.tag not in current_pfix:
             n.is_project = False
 
 def set_env_properties():