diff --git a/dune/xt/common/fvector.pbh b/dune/xt/common/fvector.pbh
index 1168eb1f214358bf0cd6c7d6de772626ff2d094e..d3f9d2b0bbbc4196104c62a2335cb1dccc96c2ba 100644
--- a/dune/xt/common/fvector.pbh
+++ b/dune/xt/common/fvector.pbh
@@ -60,7 +60,7 @@ struct FieldVector_type_caster
     return l.release();
   } // ... cast(...)
 
-  PYBIND11_TYPE_CASTER(type, _("List[") + value_conv::name() + _("[") + _<SZ>() + _("]"));
+  PYBIND11_TYPE_CASTER(type, _("List[") + value_conv::name() + _("[") + _<SZ>() + _("]]"));
 }; // struct FieldVector_type_caster