diff --git a/go/vt/sqlparser/ast_funcs.go b/go/vt/sqlparser/ast_funcs.go
index d679ea5349e..dc37b3f48d5 100644
--- a/go/vt/sqlparser/ast_funcs.go
+++ b/go/vt/sqlparser/ast_funcs.go
@@ -199,7 +199,7 @@ func (ct *ColumnType) DescribeType() string {
 
 // SQLType returns the sqltypes type code for the given column
 func (ct *ColumnType) SQLType() querypb.Type {
-	switch ct.Type {
+	switch strings.ToLower(ct.Type) {
 	case keywordStrings[TINYINT]:
 		if ct.Unsigned {
 			return sqltypes.Uint8
diff --git a/go/vt/sqlparser/ast_test.go b/go/vt/sqlparser/ast_test.go
index 82d680567b8..16089143fb0 100644
--- a/go/vt/sqlparser/ast_test.go
+++ b/go/vt/sqlparser/ast_test.go
@@ -24,6 +24,8 @@ import (
 	"testing"
 	"unsafe"
 
+	"github.com/stretchr/testify/assert"
+
 	"github.com/stretchr/testify/require"
 )
 
@@ -784,3 +786,9 @@ func TestSplitStatementToPieces(t *testing.T) {
 		}
 	}
 }
+
+func TestTypeConversion(t *testing.T) {
+	ct1 := &ColumnType{Type: "BIGINT"}
+	ct2 := &ColumnType{Type: "bigint"}
+	assert.Equal(t, ct1.SQLType(), ct2.SQLType())
+}
diff --git a/go/vt/sqlparser/token.go b/go/vt/sqlparser/token.go
index 760935acd83..21f62e73162 100644
--- a/go/vt/sqlparser/token.go
+++ b/go/vt/sqlparser/token.go
@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"fmt"
 	"io"
+	"strings"
 
 	"vitess.io/vitess/go/bytes2"
 	"vitess.io/vitess/go/sqltypes"
@@ -418,7 +419,7 @@ func init() {
 		if id == UNUSED {
 			continue
 		}
-		keywordStrings[id] = str
+		keywordStrings[id] = strings.ToLower(str)
 	}
 }