diff --git a/docs/source/compiling_and_installing/lrc.rst b/docs/source/compiling_and_installing/lrc.rst
index 78f82af6baede2fbf75d902f64b81abaa05c04c2..c0bb1c6ec065d3634bf7b0e7fb9de552b4d0f7a7 100644
--- a/docs/source/compiling_and_installing/lrc.rst
+++ b/docs/source/compiling_and_installing/lrc.rst
@@ -22,6 +22,7 @@ The following options are often usefull to append to the cmake line:
 
     -DRING_BUILD_DIR=<daemon install location>
     -DCMAKE_INSTALL_PREFIX=<install location>
+    -DRING_XML_INTERFACES_DIR=<daemon dbus interface definitions directory>
     -DCMAKE_BUILD_TYPE=<Debug to compile with debug symbols>
     -DENABLE_VIDEO=<False to disable video support>