diff --git a/lighting_dynamic_sky.py b/lighting_dynamic_sky.py
index 9dbe98b243a4ef7a726f90bff485bcc63fabe6e4..b20c52f96840607f6d713c72d75b3f435a88b45e 100644
--- a/lighting_dynamic_sky.py
+++ b/lighting_dynamic_sky.py
@@ -461,6 +461,7 @@ class Dynapanel(Panel):
     bl_region_type = 'UI'
     bl_context = "objectmode"
     bl_category = "Create"
+    bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
         layout = self.layout