diff --git a/dialects/mssql.go b/dialects/mssql.go
index 15d1cd06..32e7ac50 100644
--- a/dialects/mssql.go
+++ b/dialects/mssql.go
@@ -284,7 +284,7 @@ func (db *mssql) SQLType(c *schemas.Column) string {
 	case schemas.TimeStampz:
 		res = "DATETIMEOFFSET"
 		c.Length = 7
-	case schemas.MediumInt, schemas.UnsignedInt:
+	case schemas.MediumInt:
 		res = schemas.Int
 	case schemas.Text, schemas.MediumText, schemas.TinyText, schemas.LongText, schemas.Json:
 		res = db.defaultVarchar + "(MAX)"
@@ -296,7 +296,7 @@ func (db *mssql) SQLType(c *schemas.Column) string {
 	case schemas.TinyInt:
 		res = schemas.TinyInt
 		c.Length = 0
-	case schemas.BigInt, schemas.UnsignedBigInt:
+	case schemas.BigInt, schemas.UnsignedBigInt, schemas.UnsignedInt:
 		res = schemas.BigInt
 		c.Length = 0
 	case schemas.NVarchar: