diff --git a/source/numerics.tex b/source/numerics.tex
index 541da3bea6..3edd5c8802 100644
--- a/source/numerics.tex
+++ b/source/numerics.tex
@@ -1137,8 +1137,8 @@
 
 \rSec2[complex.tuple]{Tuple interface}
 
-\indexlibrarymember{tuple_size}{complex}%
-\indexlibrarymember{tuple_element}{complex}%
+\indexlibraryglobal{tuple_size}%
+\indexlibraryglobal{tuple_element}%
 \begin{itemdecl}
 template<class T>
 struct tuple_size<complex<T>> : integral_constant<size_t, 2> {};