diff --git a/source/algorithms.tex b/source/algorithms.tex
index 1741c1acbd..685f7ae478 100644
--- a/source/algorithms.tex
+++ b/source/algorithms.tex
@@ -640,7 +640,7 @@
 
 \indexlibraryglobal{is_execution_policy}%
 \begin{itemdecl}
-template<class T> struct is_execution_policy { @\seebelow@ };
+template<class T> struct is_execution_policy : bool_constant<@\seebelow@> { };
 \end{itemdecl}
 
 \begin{itemdescr}