diff --git a/test/std/utilities/function.objects/bind/func.bind/func.bind.isbind/is_bind_expression.pass.cpp b/test/std/utilities/function.objects/bind/func.bind/func.bind.isbind/is_bind_expression.pass.cpp
index 8314dbe..d12aece 100644
--- a/test/std/utilities/function.objects/bind/func.bind/func.bind.isbind/is_bind_expression.pass.cpp
+++ b/test/std/utilities/function.objects/bind/func.bind/func.bind.isbind/is_bind_expression.pass.cpp
@@ -25,7 +25,7 @@
 #endif
 }
 
-struct C {};
+struct C {int operator()(...) const { return 0; }};
 
 int main(int, char**)
 {