diff --git a/lfs/wavemon b/lfs/wavemon
index a3df36ec6..0fd214ad0 100644
--- a/lfs/wavemon
+++ b/lfs/wavemon
@@ -62,6 +62,7 @@ $(subst %,%_MD5,$(objects)) :
 $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	@$(PREBUILD)
 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
+	$(UPDATE_AUTOMAKE)
 	cd $(DIR_APP) && ./configure \
 		--prefix=/usr