diff --git a/archimesh/__init__.py b/archimesh/__init__.py
index 9167b8cd9354ad59a093dffa15d4e6f7d4fb243d..d05f59cf2fc217c35738f15c069f59fe13afc74e 100644
--- a/archimesh/__init__.py
+++ b/archimesh/__init__.py
@@ -200,7 +200,7 @@ def register():
     bpy.utils.register_class(achm_window_panel.AchmWindowEditPanel)
     bpy.utils.register_class(Archi_Pref)
     INFO_MT_mesh_add.append(AchmMenu_func)
-
+    update_panel(None, bpy.context)
     # Define properties
     Scene.archimesh_select_only = BoolProperty(
             name="Only selected",
diff --git a/measureit/__init__.py b/measureit/__init__.py
index cf6567c1d1f9f885975f2d68f1c4e29a6a1f3a0d..1a2aa37e4befee9dc5263660a35272f925d1eedc 100644
--- a/measureit/__init__.py
+++ b/measureit/__init__.py
@@ -124,7 +124,7 @@ def register():
     bpy.utils.register_class(measureit_main.MeasureitRenderPanel)
     bpy.utils.register_class(measureit_main.RenderSegmentButton)
     bpy.utils.register_class(Measure_Pref)
-
+    update_panel(None, bpy.context)
     # Define properties
     Scene.measureit_default_color = FloatVectorProperty(
         name="Default color",
diff --git a/mesh_bsurfaces.py b/mesh_bsurfaces.py
index 0a5d724d332a5f4894bb3b83540c93f4f96b23b0..b90617b072178599d3ab1565a354a01af822e828 100644
--- a/mesh_bsurfaces.py
+++ b/mesh_bsurfaces.py
@@ -3722,7 +3722,7 @@ def register():
     bpy.utils.register_class(CURVE_OT_SURFSK_reorder_splines)
     bpy.utils.register_class(CURVE_OT_SURFSK_first_points)
     bpy.utils.register_class(BsurfPreferences)
-
+    update_panel(None, bpy.context)
 
     bpy.types.Scene.SURFSK_cyclic_cross = bpy.props.BoolProperty(
         name="Cyclic Cross",
diff --git a/mesh_looptools.py b/mesh_looptools.py
index 6f81dde5a924e47908258aa7f37e9734b0c47ebe..36e4a5c2c740c9e77ba648f164f6e6d8b015e7b9 100644
--- a/mesh_looptools.py
+++ b/mesh_looptools.py
@@ -4848,7 +4848,7 @@ def register():
     bpy.types.VIEW3D_MT_edit_mesh_specials.prepend(menu_func)
     bpy.types.WindowManager.looptools = bpy.props.PointerProperty(\
         type = LoopToolsProps)
-
+    update_panel(None, bpy.context)
 
 # unregistering and removing menus
 def unregister():
diff --git a/object_boolean_tools.py b/object_boolean_tools.py
index b7a2b5c981cc59ed565b74e53208126bc658e47b..7ef8d7a50cbc7482ae1f0510cf52cae8ad90d063 100644
--- a/object_boolean_tools.py
+++ b/object_boolean_tools.py
@@ -1328,7 +1328,7 @@ def UnRegisterFastT():
 def register():
     for cls in classes:
         bpy.utils.register_class(cls)
-
+    update_panel(None, bpy.context)
     wm = bpy.context.window_manager
     # Scene variables
     bpy.types.Scene.BoolHide = BoolProperty(
diff --git a/oscurart_tools/__init__.py b/oscurart_tools/__init__.py
index 1688c6a30579e0ecc056d1b6e7b5ce40ffdebb19..68989561d27718580262f0088e47d864c1eca079 100644
--- a/oscurart_tools/__init__.py
+++ b/oscurart_tools/__init__.py
@@ -449,7 +449,7 @@ def register():
     # SETEO VARIABLE DE ENTORNO
     bpy.types.Scene.SearchAndSelectOt = bpy.props.StringProperty(
                                                default="Object name initials")
-
+    update_panel(None, bpy.context)
 
 def unregister():
     del bpy.types.Scene.oscurart
diff --git a/space_view3d_3d_navigation.py b/space_view3d_3d_navigation.py
index 59127471626743e6676fe1e667d15c91983b0a0f..1da9979732948ad126393ca1d2e40e534fddbfc3 100644
--- a/space_view3d_3d_navigation.py
+++ b/space_view3d_3d_navigation.py
@@ -408,7 +408,7 @@ classes = [
 def register():
     for cls in classes:
         bpy.utils.register_class(cls)
-
+    update_panel(None, bpy.context)
 def unregister():
     for cls in classes:
         bpy.utils.unregister_class(cls)
diff --git a/ui_layer_manager.py b/ui_layer_manager.py
index e3628b32b213b782b4ff96512ea40d7497fdc120..a1722b7a260cf71215afd53987fd0fd88acebc78 100644
--- a/ui_layer_manager.py
+++ b/ui_layer_manager.py
@@ -584,7 +584,7 @@ def register():
     bpy.types.Scene.layergroups_index = IntProperty(default=-1)
     bpy.types.Scene.namedlayers = PointerProperty(type=NamedLayers)
     bpy.app.handlers.scene_update_post.append(check_init_data)
-
+    update_panel(None, bpy.context)
 
 def unregister():
     bpy.app.handlers.scene_update_post.remove(check_init_data)