@@ -3618,5 +3618,14 @@ SETTINGS update_parallel_mode = 'auto'"#;
         let test = SpanTest::new(dialect, sql);
         let r = Parser::parse_sql(dialect, sql).unwrap();
         assert_eq!(test.get_source(r[0].span()), "plpgsql $$BEGIN NULL; END$$");
+
+        let sql = "DO LANGUAGE N'BEGIN NULL; END'";
+        let test = SpanTest::new(dialect, sql);
+        let options = match Parser::parse_sql(dialect, sql).unwrap().remove(0) {
+            Statement::Do(DoStatement { options }) => options,
+            stmt => panic!("expected DO, got {stmt:?}"),
+        };
+        assert_eq!(test.get_source(options[0].span()), "N");
+        assert_eq!(test.get_source(options[1].span()), "'BEGIN NULL; END'");
     }
 }
@@ -1569,8 +1569,11 @@ impl<'a> Parser<'a> {
                         token: Token::NationalStringLiteral(code),
                         span,
                     } => {
-                        options.push(DoOption::Language(Ident::with_span(span, "nchar")));
-                        DoOption::Code(Value::SingleQuotedString(code).with_span(span))
+                        let quote = Location::new(span.start.line, span.start.column + 1);
+                        let language = Ident::with_span(Span::new(span.start, quote), "nchar");
+                        options.push(DoOption::Language(language));
+                        let code = Value::SingleQuotedString(code);
+                        DoOption::Code(code.with_span(Span::new(quote, span.end)))
                     }
                     _ => {
                         self.prev_token();