diff --git a/src/blenderbim/blenderbim/bim/module/spatial/operator.py b/src/blenderbim/blenderbim/bim/module/spatial/operator.py
index e10939a59f..a6eb84ddbd 100644
--- a/src/blenderbim/blenderbim/bim/module/spatial/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/spatial/operator.py
@@ -162,6 +162,11 @@ class RemoveContainer(bpy.types.Operator):
 
 
 class CopyToContainer(bpy.types.Operator):
+    """
+    Copies selected objects to selected containers
+    Check the mark next to a container in the container list to select it
+    Several containers can be selected at a time
+    """
     bl_idname = "bim.copy_to_container"
     bl_label = "Copy To Container"
     bl_options = {"REGISTER", "UNDO"}
@@ -172,7 +177,7 @@ class CopyToContainer(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        objects = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
+        objects = list(bpy.data.objects.get(self.obj, context.selected_objects))
         sprops = context.scene.BIMSpatialProperties
         container_ids = [c.ifc_definition_id for c in sprops.spatial_elements if c.is_selected]
         for obj in objects: