diff --git a/Doc/libstruct.tex b/Doc/libstruct.tex
index af2e6d2..19f674c 100644
--- a/Doc/libstruct.tex
+++ b/Doc/libstruct.tex
@@ -9,7 +9,7 @@
 structs and the intended conversion to/from Python values.
 
 See also built-in module \code{array}.
-\bimodindex{array}
+\refbimodindex{array}
 
 The module defines the following exception and functions: