diff --git a/source/utilities.tex b/source/utilities.tex
index f3e66eb429..02e3e7b7a6 100644
--- a/source/utilities.tex
+++ b/source/utilities.tex
@@ -15804,7 +15804,7 @@
 
 \indexlibraryctor{function_ref}%
 \begin{itemdecl}
-template<auto c, class F>
+template<auto c, class F, class T>
   constexpr function_ref(constant_wrapper<c, F> f, @\cv{}@ T* obj) noexcept;
 \end{itemdecl}