diff --git a/db_test.go b/db_test.go
index b3efbe1..8819fc1 100644
--- a/db_test.go
+++ b/db_test.go
@@ -155,6 +155,10 @@ func TestToFromString(t *testing.T) {
 			key: "map",
 			t:   MAP,
 		},
+		{
+			key: "minio",
+			t:   MINIO,
+		},
 		{
 			key: "bolt",
 			t:   BOLT,