diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9060ce1..d826a155 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -317,7 +317,7 @@ xo_add_genfacetimpl(
     TARGET xo-expression2-facetimpl-printable-uniquestring
     FACET_PKG xo_printable2
     FACET Printable
-    REPR DUniqueString
+    REPR UniqueString
     INPUT idl/IPrintable_DUniqueString.json5
     OUTPUT_HPP_DIR include/xo/expression2
     OUTPUT_IMPL_SUBDIR detail