diff --git a/src/fake_bpy_module/transformer/data_type_refiner.py b/src/fake_bpy_module/transformer/data_type_refiner.py
index 85d46150..e0689c5e 100644
--- a/src/fake_bpy_module/transformer/data_type_refiner.py
+++ b/src/fake_bpy_module/transformer/data_type_refiner.py
@@ -359,8 +359,8 @@ def _get_refined_data_type_fast(  # noqa: C901, PLR0911, PLR0912
         if m := REGEX_MATCH_DATA_TYPE_FLOAT_MULTI_DIMENSIONAL_ARRAY_OF.match(
                 dtype_str):
             tuple_elems = [
-                f"tuple[{', '.join(['float'] * int(m.group(1)))}]"
-            ] * int(m.group(2))
+                f"tuple[{', '.join(['float'] * int(m.group(2)))}]"
+            ] * int(m.group(1))
             return [
                 make_data_type_node("list[list[float]]"),
                 make_data_type_node(f"tuple[{', '.join(tuple_elems)}]")