diff --git a/libstdc++-v3/testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc b/libstdc++-v3/testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc
index fc0b70b319c..bc66c13feee 100644
--- a/libstdc++-v3/testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile { target c++11 } }
 // { dg-prune-output "must be a complete" }
-// { dg-prune-output "'value' is not a member of 'std::is_move_cons" }
+// { dg-prune-output "'value' is not a member of 'std::(__8::)?is_move_cons" }
 // { dg-prune-output "invalid use of incomplete type" }
 
 // Copyright (C) 2019-2022 Free Software Foundation, Inc.