diff --git a/examples/json-schema-to-grammar.py b/examples/json-schema-to-grammar.py
index 33ab3ad9b..0559bd3d2 100755
--- a/examples/json-schema-to-grammar.py
+++ b/examples/json-schema-to-grammar.py
@@ -25,8 +25,8 @@ PRIMITIVE_RULES = {
 }
 
 INVALID_RULE_CHARS_RE = re.compile(r'[^a-zA-Z0-9-]+')
-GRAMMAR_LITERAL_ESCAPE_RE = re.compile(r'[\r\n]')
-GRAMMAR_LITERAL_ESCAPES = {'\r': '\\r', '\n': '\\n'}
+GRAMMAR_LITERAL_ESCAPE_RE = re.compile(r'[\r\n"]')
+GRAMMAR_LITERAL_ESCAPES = {'\r': '\\r', '\n': '\\n', '"': '\\"'}
 
 
 class SchemaConverter:
@@ -38,7 +38,7 @@ class SchemaConverter:
 
     def _format_literal(self, literal):
         escaped = GRAMMAR_LITERAL_ESCAPE_RE.sub(
-            lambda m: GRAMMAR_LITERAL_ESCAPES.get(m.group(0)), json.dumps(literal)[1:-1]
+            lambda m: GRAMMAR_LITERAL_ESCAPES.get(m.group(0)), json.dumps(literal)
         )
         return f'"{escaped}"'