diff --git a/include/pybind11/detail/class.h b/include/pybind11/detail/class.h
index bbdd9a09173..32df6389f1b 100644
--- a/include/pybind11/detail/class.h
+++ b/include/pybind11/detail/class.h
@@ -89,11 +89,11 @@ inline PyTypeObject *make_static_property_type() {
     if (PyType_Ready(type) < 0) {
         pybind11_fail("make_static_property_type(): failure in PyType_Ready()!");
     }
-#   if PY_VERSION >= 0x03110000
+#    if PY_VERSION >= 0x03110000
     // Since Python-3.11 property-derived types are required to
     // have dynamic attributes (to set `__doc__`)
     enable_dynamic_attributes(heap_type);
-#   endif
+#    endif
     setattr((PyObject *) type, "__module__", str("pybind11_builtins"));
     PYBIND11_SET_OLDPY_QUALNAME(type, name_obj);