diff --git a/src/FbTk/Makefile.am b/src/FbTk/Makefile.am
index 49317fbb..fe7283b9 100644
--- a/src/FbTk/Makefile.am
+++ b/src/FbTk/Makefile.am
@@ -21,5 +21,6 @@ libFbTk_a_SOURCES = App.hh App.cc Color.cc Color.hh Command.hh \
 	Layer.hh LayerItem.hh MultLayers.cc MultLayers.hh \
 	XLayer.cc XLayer.hh XLayerItem.cc XLayerItem.hh \
 	Subject.hh Subject.cc Observer.hh Observer.cc \
+	Transparent.hh Transparent.cc \
 	${xft_SOURCE} \
 	${xmb_SOURCE}