diff --git a/dialect_postgres.go b/dialect_postgres.go
index b9161f68..ed5248e0 100644
--- a/dialect_postgres.go
+++ b/dialect_postgres.go
@@ -30,14 +30,14 @@ func (s *postgres) DataTypeOf(field *StructField) string {
 		switch dataValue.Kind() {
 		case reflect.Bool:
 			sqlType = "boolean"
-		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uintptr:
 			if _, ok := field.TagSettings["AUTO_INCREMENT"]; ok || field.IsPrimaryKey {
 				field.TagSettings["AUTO_INCREMENT"] = "AUTO_INCREMENT"
 				sqlType = "serial"
 			} else {
 				sqlType = "integer"
 			}
-		case reflect.Int64, reflect.Uint64:
+		case reflect.Int64, reflect.Uint32, reflect.Uint64:
 			if _, ok := field.TagSettings["AUTO_INCREMENT"]; ok || field.IsPrimaryKey {
 				field.TagSettings["AUTO_INCREMENT"] = "AUTO_INCREMENT"
 				sqlType = "bigserial"