diff --git a/kompmgr/Makefile.am b/kompmgr/Makefile.am
index 743f618133..c799bc233e 100644
--- a/kompmgr/Makefile.am
+++ b/kompmgr/Makefile.am
@@ -1,5 +1,6 @@
 bin_PROGRAMS = kompmgr
 
+kompmgr_SOURCES = kompmgr.c
 kompmgr_LDADD =  -L/usr/X11R6/lib -lXcomposite -lXdamage -lXfixes -lXrender -lX11 -lXext -lm
 
 INCLUDES = $(all_includes)