diff --git a/talk/PRESUBMIT.py b/talk/PRESUBMIT.py
index aa46bb4ae..8e1a2e394 100644
--- a/talk/PRESUBMIT.py
+++ b/talk/PRESUBMIT.py
@@ -49,6 +49,7 @@ def _LicenseHeader(input_api):
   current_year = int(input_api.time.strftime('%Y'))
   allowed_years = (str(s) for s in reversed(xrange(2004, current_year + 1)))
   years_re = '(' + '|'.join(allowed_years) + ')'
+  years_re = '%s(--%s)?' % (years_re, years_re)
   license_header = (
       r'.*? libjingle\n'
       r'.*? Copyright %(year)s,? Google Inc\.\n'
diff --git a/webrtc/PRESUBMIT.py b/webrtc/PRESUBMIT.py
index c29ffeeb0..4132c1687 100644
--- a/webrtc/PRESUBMIT.py
+++ b/webrtc/PRESUBMIT.py
@@ -13,8 +13,8 @@ def _LicenseHeader(input_api):
   allowed_years = (str(s) for s in reversed(xrange(2003, current_year + 1)))
   years_re = '(' + '|'.join(allowed_years) + ')'
   license_header = (
-      r'.*? Copyright \(c\) %(year)s The WebRTC project authors\. '
-        r'All Rights Reserved\.\n'
+      r'.*? Copyright( \(c\))? %(year)s The WebRTC [Pp]roject [Aa]uthors\. '
+        r'All [Rr]ights [Rr]eserved\.\n'
       r'.*?\n'
       r'.*? Use of this source code is governed by a BSD-style license\n'
       r'.*? that can be found in the LICENSE file in the root of the source\n'