diff --git a/test/cases/db-update.bats b/test/cases/db-update.bats
index 1da7eef..2395438 100644
--- a/test/cases/db-update.bats
+++ b/test/cases/db-update.bats
@@ -92,7 +92,7 @@ load ../lib/common
 	db-update
 	checkPackage extra pkg-any-a
 
-	releasePackage extra pkg-any-a
+	PKGEXT=.pkg.tar.gz releasePackage extra pkg-any-a
 	run db-update
 	[ "$status" -ne 0 ]
 }
diff --git a/test/lib/common.bash b/test/lib/common.bash
index 540e403..e9cf6c9 100644
--- a/test/lib/common.bash
+++ b/test/lib/common.bash
@@ -23,8 +23,7 @@ __buildPackage() {
 
 	if [[ -n ${BUILDDIR} ]]; then
 		cache=${BUILDDIR}/$(__getCheckSum PKGBUILD)
-		if [[ -d ${cache} ]]; then
-			cp -Lv ${cache}/*${PKGEXT}{,.sig} ${pkgdest}
+		if cp -Lv ${cache}/*${PKGEXT}{,.sig} ${pkgdest} 2>/dev/null; then
 			return 0
 		else
 			mkdir -p ${cache}