diff --git a/dialects/mssql.go b/dialects/mssql.go
index 3b935396..0eeb1bcd 100644
--- a/dialects/mssql.go
+++ b/dialects/mssql.go
@@ -318,7 +318,7 @@ func (db *mssql) SQLType(c *schemas.Column) string {
 	case schemas.TimeStampz:
 		res = "DATETIMEOFFSET"
 		c.Length = 7
-	case schemas.MediumInt:
+	case schemas.MediumInt, schemas.TinyInt, schemas.SmallInt, schemas.UnsignedMediumInt, schemas.UnsignedTinyInt, schemas.UnsignedSmallInt:
 		res = schemas.Int
 	case schemas.Text, schemas.MediumText, schemas.TinyText, schemas.LongText, schemas.Json:
 		res = db.defaultVarchar + "(MAX)"
diff --git a/dialects/postgres.go b/dialects/postgres.go
index b0517ac3..96ebfc85 100644
--- a/dialects/postgres.go
+++ b/dialects/postgres.go
@@ -879,13 +879,13 @@ func (db *postgres) SetQuotePolicy(quotePolicy QuotePolicy) {
 func (db *postgres) SQLType(c *schemas.Column) string {
 	var res string
 	switch t := c.SQLType.Name; t {
-	case schemas.TinyInt, schemas.UnsignedTinyInt, schemas.UnsignedSmallInt:
+	case schemas.TinyInt, schemas.UnsignedTinyInt:
 		res = schemas.SmallInt
 		return res
 	case schemas.Bit:
 		res = schemas.Boolean
 		return res
-	case schemas.MediumInt, schemas.Int, schemas.Integer, schemas.UnsignedMediumInt:
+	case schemas.MediumInt, schemas.Int, schemas.Integer, schemas.UnsignedMediumInt, schemas.UnsignedSmallInt:
 		if c.IsAutoIncrement {
 			return schemas.Serial
 		}