diff --git a/otk/Makefile.am b/otk/Makefile.am
index 30196070..170e13f9 100644
--- a/otk/Makefile.am
+++ b/otk/Makefile.am
@@ -7,7 +7,7 @@ noinst_LIBRARIES=libotk.a
 libotk_a_SOURCES= color.cc display.cc font.cc gccache.cc image.cc property.cc \
                   imagecontrol.cc rect.cc screeninfo.cc texture.cc timer.cc \
                   timerqueuemanager.cc style.cc configuration.cc util.cc \
-                  widget.cc button.cc
+                  widget.cc focuswidget.cc button.cc
 
 MAINTAINERCLEANFILES= Makefile.in
 
@@ -23,4 +23,5 @@ configuration.o: configuration.cc configuration.hh
 style.o: style.cc style.hh
 util.o: util.cc util.hh
 widget.o: widget.cc widget.hh
+focuswidget.o: focuswidget.cc focuswidget.hh
 button.o: button.cc button.hh