diff --git a/pywb/utils/statusandheaders.py b/pywb/utils/statusandheaders.py
index 7f08cbdb..0ecfa59a 100644
--- a/pywb/utils/statusandheaders.py
+++ b/pywb/utils/statusandheaders.py
@@ -204,10 +204,11 @@ class StatusAndHeadersParser(object):
         split key string into prefix and remainder
         for first matching prefix from a list
         """
+        key_upper = key.upper()
         for prefix in prefixs:
-            if key.startswith(prefix):
+            if key_upper.startswith(prefix):
                 plen = len(prefix)
-                return (key[:plen], key[plen:])
+                return (key_upper[:plen], key[plen:])
 
 
 #=================================================================
diff --git a/pywb/utils/test/test_statusandheaders.py b/pywb/utils/test/test_statusandheaders.py
index 5fe96d95..8af2b50f 100644
--- a/pywb/utils/test/test_statusandheaders.py
+++ b/pywb/utils/test/test_statusandheaders.py
@@ -43,6 +43,10 @@ StatusAndHeaders(protocol = '', statusline = '204 No Content', headers = [])
 >>> StatusAndHeadersParser(['HTTP/1.0']).parse(BytesIO(status_headers_3))
 StatusAndHeaders(protocol = 'HTTP/1.0', statusline = '204 Empty', headers = [('Content-Type', 'Value'), ('Content-Length', '0')])
 
+# case-insensitive match
+>>> StatusAndHeadersParser(['HTTP/1.0']).parse(BytesIO(status_headers_4))
+StatusAndHeaders(protocol = 'HTTP/1.0', statusline = '204 empty', headers = [('Content-Type', 'Value'), ('Content-Length', '0')])
+
 
 """
 
@@ -74,6 +78,14 @@ Content-Type: Value\r\n\
 Content-Length: 0\r\n\
 \r\n"
 
+status_headers_4 = "\
+http/1.0 204 empty\r\n\
+Content-Type: Value\r\n\
+%Invalid%\r\n\
+\tMultiline\r\n\
+Content-Length: 0\r\n\
+\r\n"
+
 
 if __name__ == "__main__":
     import doctest