diff --git a/dialects/postgres.go b/dialects/postgres.go
index 25d9946b..3595f6c5 100644
--- a/dialects/postgres.go
+++ b/dialects/postgres.go
@@ -1003,8 +1003,8 @@ func (db *postgres) AddColumnSQL(tableName string, col *schemas.Column) string {
 		return addColumnSQL + commentSQL
 	}
 
-	addColumnSQL = fmt.Sprintf("ALTER TABLE %s.%s ADD %s", quoter.Quote(tableName), s)
-	commentSQL += fmt.Sprintf("COMMENT ON COLUMN %s.%s IS '%s'", quoter.Quote(db.getSchema()), quoter.Quote(tableName), quoter.Quote(col.Name), col.Comment)
+	addColumnSQL = fmt.Sprintf("ALTER TABLE %s.%s ADD %s", quoter.Quote(db.getSchema()), quoter.Quote(tableName), s)
+	commentSQL += fmt.Sprintf("COMMENT ON COLUMN %s.%s.%s IS '%s'", quoter.Quote(db.getSchema()), quoter.Quote(tableName), quoter.Quote(col.Name), col.Comment)
 	return addColumnSQL + commentSQL
 }