diff --git a/src/bonsai/bonsai/bim/module/unit/operator.py b/src/bonsai/bonsai/bim/module/unit/operator.py
index f719eac74c..f7c129aba1 100644
--- a/src/bonsai/bonsai/bim/module/unit/operator.py
+++ b/src/bonsai/bonsai/bim/module/unit/operator.py
@@ -30,10 +30,12 @@ if TYPE_CHECKING:
 class AssignSceneUnits(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.assign_scene_units"
     bl_label = "Assign Scene Units"
+    bl_description = "Add new units based on the current Blender scene units and assign them as project default."
     bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
         core.assign_scene_units(tool.Ifc, tool.Unit)
+        core.load_units(tool.Unit)
 
 
 class AssignUnit(bpy.types.Operator, tool.Ifc.Operator):
diff --git a/src/bonsai/bonsai/bim/module/unit/ui.py b/src/bonsai/bonsai/bim/module/unit/ui.py
index c3051b5cf9..9407ef01ac 100644
--- a/src/bonsai/bonsai/bim/module/unit/ui.py
+++ b/src/bonsai/bonsai/bim/module/unit/ui.py
@@ -53,6 +53,7 @@ class BIM_PT_units(Panel):
         row = self.layout.row(align=True)
         row.label(text="{} Units Found".format(UnitsData.data["total_units"]), icon="SNAP_GRID")
         if self.props.is_editing:
+            row.operator("bim.assign_scene_units", text="", icon="TOOL_SETTINGS")
             row.operator("bim.disable_unit_editing_ui", text="", icon="CANCEL")
         else:
             row.operator("bim.load_units", text="", icon="GREASEPENCIL")