diff --git a/dialect_postgres.go b/dialect_postgres.go
index 8981132b..aa17ac31 100644
--- a/dialect_postgres.go
+++ b/dialect_postgres.go
@@ -1046,8 +1046,8 @@ WHERE c.relkind = 'r'::char AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.att
 		col.Length = maxLen
 
 		if !col.DefaultIsEmpty && (col.SQLType.IsText() || col.SQLType.IsTime()) {
-			if col.Default == "''::character varying" {
-				col.Default = "''"
+			if strings.HasSuffix(col.Default, "::character varying") {
+				col.Default = strings.TrimRight(col.Default, "::character varying")
 			} else if !strings.HasPrefix(col.Default, "'") {
 				col.Default = "'" + col.Default + "'"
 			}