diff --git a/server/influx_test.go b/server/influx_test.go
index 180331f2ac..92d6b16a3e 100644
--- a/server/influx_test.go
+++ b/server/influx_test.go
@@ -246,6 +246,10 @@ func TestService_Influx_CommandWithOnClause(t *testing.T) {
 			name: `show tag keys on "mydb"`,
 			db:   "mydb",
 		},
+		{
+			name: `show tag keys oN "mydb"`,
+			db:   "mydb",
+		},
 		{
 			name: `show tag keys on "mydb" from "table"`,
 			db:   "mydb",