diff --git a/src/bonsai/bonsai/bim/prop.py b/src/bonsai/bonsai/bim/prop.py
index af378bb8f4..45128271b1 100644
--- a/src/bonsai/bonsai/bim/prop.py
+++ b/src/bonsai/bonsai/bim/prop.py
@@ -620,7 +620,14 @@ class BIMObjectProperties(PropertyGroup):
     )
     cartesian_point_offset: StringProperty(name="Cartesian Point Offset")
     is_reassigning_class: BoolProperty(name="Is Reassigning Class")
-    is_renaming: BoolProperty(name="Is Renaming", default=False)
+    is_renaming: BoolProperty(
+        name="Is Renaming",
+        description=(
+            "Flag to ensure object name callback wouldn't write new name to IFC. "
+            "Automatically reset to `False` after the next callback."
+        ),
+        default=False,
+    )
     location_checksum: StringProperty(name="Location Checksum")
     rotation_checksum: StringProperty(name="Rotation Checksum")
 
diff --git a/src/bonsai/bonsai/tool/root.py b/src/bonsai/bonsai/tool/root.py
index bb6aa116c0..5c67e20066 100644
--- a/src/bonsai/bonsai/tool/root.py
+++ b/src/bonsai/bonsai/tool/root.py
@@ -419,7 +419,9 @@ class Root(bonsai.core.tool.Root):
         name = tool.Loader.get_name(element)
         if obj.name != name:
             props = tool.Blender.get_object_bim_props(obj)
-            props.is_renaming = True
+            # If it's not an IFC object, then it doesn't have a name callback.
+            # So, we need to protect it writing to IFC.
+            props.is_renaming = bool(tool.Ifc.get_entity(obj))
             obj.name = name  # The handler will trigger, and reset is_renaming to False
 
     @classmethod
@@ -428,7 +430,7 @@ class Root(bonsai.core.tool.Root):
         if material.name == name:
             return
         msprops = tool.Style.get_material_style_props(material)
-        msprops.is_renaming = True
+        msprops.is_renaming = bool(tool.Ifc.get_entity(material))
         material.name = name  # The handler will trigger, and reset is_renaming to False.
 
     @classmethod