diff --git a/go/vt/vtgate/planbuilder/show.go b/go/vt/vtgate/planbuilder/show.go
index 452e143c958..8333844478c 100644
--- a/go/vt/vtgate/planbuilder/show.go
+++ b/go/vt/vtgate/planbuilder/show.go
@@ -180,10 +180,10 @@ func buildDBPlan(show *sqlparser.ShowBasic, vschema ContextVSchema) (engine.Prim
 
 	if show.Command == sqlparser.Database {
 		//Hard code default databases
-		rows = append(rows, buildVarCharRow("information_schema"))
-		rows = append(rows, buildVarCharRow("mysql"))
-		rows = append(rows, buildVarCharRow("sys"))
-		rows = append(rows, buildVarCharRow("performance_schema"))
+		ks = append(ks, &vindexes.Keyspace{Name: "information_schema"},
+			&vindexes.Keyspace{Name: "mysql"},
+			&vindexes.Keyspace{Name: "sys"},
+			&vindexes.Keyspace{Name: "performance_schema"})
 	}
 
 	for _, v := range ks {
diff --git a/go/vt/vtgate/planbuilder/show_test.go b/go/vt/vtgate/planbuilder/show_test.go
index fc614d70262..7561d6e94e2 100644
--- a/go/vt/vtgate/planbuilder/show_test.go
+++ b/go/vt/vtgate/planbuilder/show_test.go
@@ -17,14 +17,48 @@ limitations under the License.
 package planbuilder
 
 import (
+	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 
 	"vitess.io/vitess/go/sqltypes"
 	"vitess.io/vitess/go/vt/sqlparser"
+	"vitess.io/vitess/go/vt/vtgate/vindexes"
 )
 
+func TestBuildDBPlan(t *testing.T) {
+	vschema := &vschemaWrapper{
+		keyspace: &vindexes.Keyspace{Name: "main"},
+	}
+
+	testCases := []struct {
+		query    string
+		expected string
+	}{{
+		query:    "show databases like 'main'",
+		expected: `[[VARCHAR("main")]]`,
+	}, {
+		query:    "show databases like '%ys%'",
+		expected: `[[VARCHAR("mysql")] [VARCHAR("sys")]]`,
+	}}
+
+	for _, s := range testCases {
+		t.Run(s.query, func(t *testing.T) {
+			parserOut, err := sqlparser.Parse(s.query)
+			require.NoError(t, err)
+
+			show := parserOut.(*sqlparser.Show)
+			primitive, err := buildDBPlan(show.Internal.(*sqlparser.ShowBasic), vschema)
+			require.NoError(t, err)
+
+			result, err := primitive.Execute(nil, nil, false)
+			require.NoError(t, err)
+			require.Equal(t, s.expected, fmt.Sprintf("%v", result.Rows))
+		})
+	}
+}
+
 func TestGenerateCharsetRows(t *testing.T) {
 	rows := make([][]sqltypes.Value, 0, 4)
 	rows0 := [][]sqltypes.Value{