diff --git a/doc/scsh-manual/man.t2p b/doc/scsh-manual/man.t2p
index e6a4e80..3bbb7fb 100644
--- a/doc/scsh-manual/man.t2p
+++ b/doc/scsh-manual/man.t2p
@@ -86,7 +86,7 @@
   \def\TEMP{#1}%
   \ifx\TEMP\empty\else\ \fi}
 
-\def\dfnix#1#2#3#4{\leftline{{\tt(#1\spaceifnotempty{#2}{\it#2})} \quad $\longrightarrow$ \quad {\it #3} \qquad (#4)} \index}
+\def\dfnix#1#2#3#4#5{\index{#5}\leftline{{\tt(#1\spaceifnotempty{#2}{\it#2})} \quad $\longrightarrow$ \quad {\it #3} \qquad (#4)}}
 
 %\def\ex#1{{\tt #1}}
 %\let\ex\texttt