diff --git a/src/Makefile.am b/src/Makefile.am
index 890c06c2..b9c19f4c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -136,6 +136,8 @@ fluxbox_SOURCES = AtomHandler.hh ArrowButton.hh ArrowButton.cc \
 	ScreenPlacement.hh ScreenPlacement.cc \
 	UnderMousePlacement.hh UnderMousePlacement.cc \
 	WinClientUtil.hh WinClientUtil.cc \
+	AttentionNoticeHandler.hh AttentionNoticeHandler.cc \
+	STLUtil.h \
 	${newwmspec_SOURCE} ${gnome_SOURCE} \
 	${REMEMBER_SOURCE} ${TOOLBAR_SOURCE}