diff --git a/src/dbus/org.mpris.MediaPlayer2.Playlists.xml b/src/dbus/org.mpris.MediaPlayer2.Playlists.xml
index efadfbcb6..b8b2cdd18 100644
--- a/src/dbus/org.mpris.MediaPlayer2.Playlists.xml
+++ b/src/dbus/org.mpris.MediaPlayer2.Playlists.xml
@@ -20,8 +20,8 @@
 			<annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="MprisPlaylistList" />
 		</method>
 		<signal name='PlaylistChanged'>
-			<arg direction='in' name='Playlist' type='(oss)' />
-			<annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="MprisPlaylist" />
+			<arg direction='out' name='Playlist' type='(oss)' />
+			<annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="MprisPlaylist" />
 		</signal>
 		<annotation name="org.qtproject.QtDBus.QtTypeName" value="MaybePlaylist" />
 	</interface>
diff --git a/src/dbus/org.mpris.MediaPlayer2.TrackList.xml b/src/dbus/org.mpris.MediaPlayer2.TrackList.xml
index b02ed35d2..ed0310d6e 100644
--- a/src/dbus/org.mpris.MediaPlayer2.TrackList.xml
+++ b/src/dbus/org.mpris.MediaPlayer2.TrackList.xml
@@ -24,8 +24,8 @@
 			<arg name='CurrentTrack' type='o' />
 		</signal>
 		<signal name='TrackAdded'>
-			<arg direction='in' name='Metadata' type='a{sv}' />
-			<annotation name="org.qtproject.QtDBus.QtTypeName.In0" value="TrackMetadata" />
+			<arg direction='out' name='Metadata' type='a{sv}' />
+			<annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="TrackMetadata" />
 			<arg name='AfterTrack' type='o' />
 		</signal>
 		<signal name='TrackRemoved'>
@@ -33,8 +33,8 @@
 		</signal>
 		<signal name='TrackMetadataChanged'>
 			<arg name='TrackId' type='o' />
-			<arg direction='in' name='Metadata' type='a{sv}' />
-			<annotation name="org.qtproject.QtDBus.QtTypeName.In1" value="TrackMetadata" />
+			<arg direction='out' name='Metadata' type='a{sv}' />
+			<annotation name="org.qtproject.QtDBus.QtTypeName.Out1" value="TrackMetadata" />
 		</signal>
 		<property name='Tracks' type='ao' access='read' />
 		<property name='CanEditTracks' type='b' access='read' />