diff --git a/presubmit_canned_checks.py b/presubmit_canned_checks.py
index 878ee70a68..10a8d273d6 100644
--- a/presubmit_canned_checks.py
+++ b/presubmit_canned_checks.py
@@ -359,7 +359,7 @@ def CheckLongLines(input_api, output_api, maxlen, source_file_filter=None):
       return False
 
     return (
-        any((url in line) for url in ('http://', 'https://')) or
+      any((url in line) for url in ('file://', 'http://', 'https://')) or
         input_api.re.match(
           r'.*[A-Za-z][A-Za-z_0-9]{%d,}.*' % long_symbol, line))
 
diff --git a/tests/presubmit_unittest.py b/tests/presubmit_unittest.py
index d97e7fa7aa..474d6fa007 100755
--- a/tests/presubmit_unittest.py
+++ b/tests/presubmit_unittest.py
@@ -2235,6 +2235,17 @@ class CannedChecksUnittest(PresubmitTestsBase):
         None,
         presubmit.OutputApi.PresubmitPromptWarning)
 
+  def testCannedCheckLongLinesFile(self):
+    check = lambda x, y, z: presubmit_canned_checks.CheckLongLines(x, y, 10, z)
+    self.ContentTest(
+        check,
+        ' file:// 0 23 5',
+        None,
+        ' file:// 0 23 56',
+        None,
+        presubmit.OutputApi.PresubmitPromptWarning)
+
+
   def testCannedCheckLongLinesLongSymbol(self):
     check = lambda x, y, z: presubmit_canned_checks.CheckLongLines(x, y, 10, z)
     self.ContentTest(