diff --git a/sanic/headers.py b/sanic/headers.py
index 9ef28fa3..3a375644 100644
--- a/sanic/headers.py
+++ b/sanic/headers.py
@@ -1,17 +1,17 @@
 import re
 
 token, quoted = r"([\w!#$%&'*+\-.^_`|~]+)", r'"((?:[^"]|\\")*)"'
-parameter = re.compile(fr';\s*{token}=(?:{token}|{quoted})', re.ASCII)
+parameter = re.compile(fr";\s*{token}=(?:{token}|{quoted})", re.ASCII)
 
 
 def parse_options_header(value: str):
     """Parse HTTP header values of Content-Type format."""
-    pos = value.find(';')
+    pos = value.find(";")
     if pos == -1:
         options = {}
     else:
         options = {
-            m.group(1).lower(): m.group(2) or m.group(3).replace(r'\"', '"')
+            m.group(1).lower(): m.group(2) or m.group(3).replace('\\"', '"')
             for m in parameter.finditer(value[pos:])
         }
         value = value[:pos]