diff --git a/org.gnome.ShairportSync.xml b/org.gnome.ShairportSync.xml
index 10eb5477..2fb9c8e9 100644
--- a/org.gnome.ShairportSync.xml
+++ b/org.gnome.ShairportSync.xml
@@ -11,6 +11,7 @@
     <property name="ConvolutionGain" type="d" access="readwrite" />
     <property name="ConvolutionImpulseResponseFile" type="s" access="readwrite" />
     <property name="DriftTolerance" type="d" access="readwrite" />
+    <property name='Volume' type='d' access='readwrite'/>
     <method name="RemoteCommand">
       <arg name="command" type="s" direction="in" />
       <arg name="reply" type="i" direction="out" />