diff --git a/Makefile b/Makefile
index 7f3bb53..71df225 100644
--- a/Makefile
+++ b/Makefile
@@ -50,7 +50,7 @@ ${SA_UPDATE_GPG_DIR}/.prepared: ${OPKGNAME}.tar.gz
 	rm sa-update-pubkey.txt
 	touch $@
 
-sa-updates.tgz: ${SA_UPDATE_GPG_DIR}/.prepared
+sa-updates.tgz: | ${SA_UPDATE_GPG_DIR}/.prepared
 	rm -rf updates.tmp
 	sa-update --gpghomedir ${SA_UPDATE_GPG_DIR} --updatedir updates.tmp --channel updates.spamassassin.org
 	tar cvzf sa-updates.tgz --exclude=local.cf --exclude=regression_tests.cf --exclude=*.txt  --exclude=MIRRORED.BY -C updates.tmp/updates_spamassassin_org/ .