diff --git a/src/fake_bpy_module/transformer/bpy_module_tweaker.py b/src/fake_bpy_module/transformer/bpy_module_tweaker.py
index f0a907b0..aec7fefe 100644
--- a/src/fake_bpy_module/transformer/bpy_module_tweaker.py
+++ b/src/fake_bpy_module/transformer/bpy_module_tweaker.py
@@ -155,7 +155,7 @@ def _rebase_bpy_types_class_base_class(
                     dtype_str = dtype_node.astext()
                     if m := re.match(
                             r"^`([a-zA-Z0-9]+)` `bpy_prop_collection` of `"
-                            r"([a-zA-Z0-9]+)`(, \(readonly\)).$", dtype_str):
+                            r"([a-zA-Z0-9]+)`(, \(readonly\))*$", dtype_str):
                         parent_to_child[m.group(1)] = m.group(2)
 
         for parent, child in parent_to_child.items():
diff --git a/tests/python/fake_bpy_module_test/fake_bpy_module_test/transformer_test_data/bpy_module_tweaker/expect/rebase_bpy_types_class_base_class_transformed.xml b/tests/python/fake_bpy_module_test/fake_bpy_module_test/transformer_test_data/bpy_module_tweaker/expect/rebase_bpy_types_class_base_class_transformed.xml
index 2dbee7cf..60ebdb8d 100644
--- a/tests/python/fake_bpy_module_test/fake_bpy_module_test/transformer_test_data/bpy_module_tweaker/expect/rebase_bpy_types_class_base_class_transformed.xml
+++ b/tests/python/fake_bpy_module_test/fake_bpy_module_test/transformer_test_data/bpy_module_tweaker/expect/rebase_bpy_types_class_base_class_transformed.xml
@@ -89,5 +89,4 @@
                          of 
                         <class-ref>
                             Attribute2
-                        , (readonly)
         <function-list>