1 files changed, 1 insertions, 0 deletions

diff --git a/manual/platform/x5.tex b/manual/platform/x5.tex
index cf93d672cd..df8473c602 100644
--- a/manual/platform/x5.tex
+++ b/manual/platform/x5.tex
@@ -18,6 +18,7 @@
 %For use when referring to the player. E.g. the \daps\ capacity ...
 \newcommand{\daps}{player's}
 \newcommand{\firmwarefilename}{\fname{rockbox.iaudio}}
+\newcommand{\firmwareextension}{\fname{iaudio}}
 \newcommand{\screenshotsize}{4cm}
 \newcommand{\disk}{hard disk}