diff --git a/bone_selection_sets.py b/bone_selection_sets.py
index 0278bd23a371d2353518121deb3e10b83c9915ff..1b36987d0be5d7cc4c4ccf25c4c0f2c6429052ba 100644
--- a/bone_selection_sets.py
+++ b/bone_selection_sets.py
@@ -79,6 +79,7 @@ class POSE_PT_selection_sets(Panel):
     bl_space_type = 'PROPERTIES'
     bl_region_type = 'WINDOW'
     bl_context = "data"
+    bl_options = {'DEFAULT_CLOSED'}
 
     @classmethod
     def poll(cls, context):