diff --git a/storage/db/dbtest/cloud.go b/storage/db/dbtest/cloud.go
index 2f9dcb2..5f418b6 100644
--- a/storage/db/dbtest/cloud.go
+++ b/storage/db/dbtest/cloud.go
@@ -46,7 +46,7 @@
 
 	t.Logf("Using database %q", name)
 
-	return prefix + name + "?interpolateParams=true", func() {
+	return "mysql", prefix + name + "?interpolateParams=true", func() {
 		if _, err := db.Exec(fmt.Sprintf("DROP DATABASE `%s`", name)); err != nil {
 			t.Error(err)
 		}