diff --git a/manual/configure_rockbox/system_options.tex b/manual/configure_rockbox/system_options.tex
index 62825bdb3f..c9e526ae1d 100644
--- a/manual/configure_rockbox/system_options.tex
+++ b/manual/configure_rockbox/system_options.tex
@@ -54,7 +54,7 @@
         runtime estimation as shown on screen.
       \opt{iaudiom3,iaudiom5,iaudiox5}{Rockbox does not automatically distinguish
         between the ``L'' models and the ``simple'' models which determine the
-        default value. If your dap{} is an
+        default value. If your \dap{} is an
             \opt{iaudiom3}{M3L}%
             \opt{iaudiom5}{M5L}%
             \opt{iaudiox5}{X5L}