diff --git a/mode/python.py b/mode/python.py
index 71e8656..f1c6eaa 100644
--- a/mode/python.py
+++ b/mode/python.py
@@ -6,6 +6,7 @@ from lex import Grammar, PatternRule, RegionRule, OverridePatternRule
 class StringGrammar(Grammar):
     rules = [
         PatternRule(r'octal', r'\\[0-7]{3}'),
+        PatternRule(r'hex', r'\\x[0-9a-fA-F]{2}'),
         PatternRule(r'escaped', r'\\.'),
     ]