diff --git a/src/bonsai/bonsai/bim/module/project/operator.py b/src/bonsai/bonsai/bim/module/project/operator.py
index 80ac7d7b31..9dcfc7ac60 100644
--- a/src/bonsai/bonsai/bim/module/project/operator.py
+++ b/src/bonsai/bonsai/bim/module/project/operator.py
@@ -210,6 +210,7 @@ class SelectLibraryFile(bpy.types.Operator, IFCFileSelector):
 class RefreshLibrary(bpy.types.Operator):
     bl_idname = "bim.refresh_library"
     bl_label = "Refresh Library"
+    bl_options = {"UNDO"}
 
     def execute(self, context):
         self.props = tool.Project.get_project_props()