diff --git a/mssql_dialect.go b/mssql_dialect.go
index 7af3ee23..fdbf199c 100644
--- a/mssql_dialect.go
+++ b/mssql_dialect.go
@@ -247,6 +247,9 @@ func (db *mssql) SqlType(c *core.Column) string {
 		res = core.Text
 	case core.Double:
 		res = core.Real
+	case core.Uuid:
+		res = core.Varchar
+		c.Length = 40
 	default:
 		res = t
 	}
diff --git a/statement.go b/statement.go
index 5d59a329..82b86674 100644
--- a/statement.go
+++ b/statement.go
@@ -204,7 +204,7 @@ func (statement *Statement) In(column string, args ...interface{}) *Statement {
 	return statement
 }
 
-// NotIn generate "Where column IN (?) " statment
+// NotIn generate "Where column NOT IN (?) " statment
 func (statement *Statement) NotIn(column string, args ...interface{}) *Statement {
 	if len(args) == 0 {
 		return statement