diff --git a/manual/manual-client/Eiger_short.tex b/manual/manual-client/Eiger_short.tex
index e10da9224..2f7f8de37 100644
--- a/manual/manual-client/Eiger_short.tex
+++ b/manual/manual-client/Eiger_short.tex
@@ -331,7 +331,7 @@ for X in \$(seq 0 4); do ./sls_detector_put \$X:txndelay_left \$((X*100000)); do
 \begin{verbatim}
 ./sls_detector_put txndelay_frame zzzz
 \end{verbatim}
-In the example before, it would be: $zzzz$=4*100000+ 100000
+In the example before, it would be: {\tt{zzzz}}=4*100000+ 100000
 
 \item Readjust the size of the fifo of the receiver between listening and writing (useful when writing is limited)
 \begin{verbatim}