diff --git a/spec_tests.py b/spec_tests.py
@@ -264,7 +264,7 @@ def do_tests(specfile, prog, pattern, normalize, dump_tests):
if active:
if dump_tests:
tests_json.append({
- "markdown":''.join(markdown_lines),
+ "markdown":''.join(markdown_lines).replace('→',"\t"),
"html":''.join(html_lines),
"example": example_number,
"start_line": start_line,