diff --git a/src/blenderbim/blenderbim/bim/module/model/ui.py b/src/blenderbim/blenderbim/bim/module/model/ui.py
index f0dee67ca9..2dd5dbfe56 100644
--- a/src/blenderbim/blenderbim/bim/module/model/ui.py
+++ b/src/blenderbim/blenderbim/bim/module/model/ui.py
@@ -265,6 +265,7 @@ class BIM_PT_array(bpy.types.Panel):
     bl_space_type = "PROPERTIES"
     bl_region_type = "WINDOW"
     bl_context = "modifier"
+    bl_options = {"DEFAULT_CLOSED"}
 
     @classmethod
     def poll(cls, context):
@@ -317,6 +318,7 @@ class BIM_PT_stair(bpy.types.Panel):
     bl_space_type = "PROPERTIES"
     bl_region_type = "WINDOW"
     bl_context = "modifier"
+    bl_options = {"DEFAULT_CLOSED"}
 
     @classmethod
     def poll(cls, context):
@@ -376,6 +378,7 @@ class BIM_PT_sverchok(bpy.types.Panel):
     bl_space_type = "PROPERTIES"
     bl_region_type = "WINDOW"
     bl_context = "modifier"
+    bl_options = {"DEFAULT_CLOSED"}
 
     @classmethod
     def poll(cls, context):
@@ -413,6 +416,7 @@ class BIM_PT_window(bpy.types.Panel):
     bl_space_type = "PROPERTIES"
     bl_region_type = "WINDOW"
     bl_context = "modifier"
+    bl_options = {"DEFAULT_CLOSED"}
 
     @classmethod
     def poll(cls, context):
@@ -528,6 +532,7 @@ class BIM_PT_door(bpy.types.Panel):
     bl_space_type = "PROPERTIES"
     bl_region_type = "WINDOW"
     bl_context = "modifier"
+    bl_options = {"DEFAULT_CLOSED"}
 
     @classmethod
     def poll(cls, context):