diff --git a/config/database.go b/config/database.go
index d5f4764be1..e07fd7fe37 100644
--- a/config/database.go
+++ b/config/database.go
@@ -139,7 +139,7 @@ func parseDSN(dsn string) (string, string, error) {
 	// Treat the DSN as the URL that it is.
 	s := strings.SplitN(dsn, "://", 2)
 	if len(s) != 2 {
-		errors.New("failed to parse DSN as URL")
+		return "", "", errors.New("failed to parse DSN as URL")
 	}
 
 	scheme := s[0]
diff --git a/config/database_test.go b/config/database_test.go
index 3ff1dddc32..3c61c6f8c1 100644
--- a/config/database_test.go
+++ b/config/database_test.go
@@ -155,6 +155,9 @@ func TestDatabaseStoreNew(t *testing.T) {
 	t.Run("invalid url", func(t *testing.T) {
 		_, err := config.NewDatabaseStore("")
 		require.Error(t, err)
+
+		_, err = config.NewDatabaseStore("mysql")
+		require.Error(t, err)
 	})
 
 	t.Run("unsupported scheme", func(t *testing.T) {