diff --git a/multi_user/bl_types/bl_gpencil.py b/multi_user/bl_types/bl_gpencil.py
index 610f368..87aa200 100644
--- a/multi_user/bl_types/bl_gpencil.py
+++ b/multi_user/bl_types/bl_gpencil.py
@@ -162,7 +162,7 @@ def dump_layer(layer):
         'hide',
         'annotation_hide',
         'lock',
-        # 'lock_frame',
+        'lock_frame',
         # 'lock_material',
         # 'use_mask_layer',
         'use_lights',
@@ -170,12 +170,13 @@ def dump_layer(layer):
         'select',
         'show_points',
         'show_in_front',
+        # 'thickness'
         # 'parent',
         # 'parent_type',
         # 'parent_bone',
         # 'matrix_inverse',
     ]
-    if layer.id_data.is_annotation:
+    if layer.thickness != 0:
         dumper.include_filter.append('thickness')
 
     dumped_layer = dumper.dump(layer)
diff --git a/multi_user/timers.py b/multi_user/timers.py
index 342687f..ad1555a 100644
--- a/multi_user/timers.py
+++ b/multi_user/timers.py
@@ -162,7 +162,7 @@ class AnnotationUpdates(Timer):
                         logging.debug(
                             "Getting the right on the annotation GP")
                         porcelain.lock(session.repository,
-                                        registered_gp.uuid,
+                                        [registered_gp.uuid],
                                         ignore_warnings=True,
                                         affect_dependencies=False)
 
@@ -172,9 +172,10 @@ class AnnotationUpdates(Timer):
 
                 elif self._annotating:
                     porcelain.unlock(session.repository,
-                                    registered_gp.uuid,
+                                    [registered_gp.uuid],
                                     ignore_warnings=True,
                                     affect_dependencies=False)
+                    self._annotating = False
 
 class DynamicRightSelectTimer(Timer):
     def __init__(self, timeout=.1):