--- a/contrib/check-code.py	Wed Jun 25 15:58:05 2014 +0100
+++ b/contrib/check-code.py	Sat Aug 02 17:01:55 2014 -0700
@@ -94,7 +94,7 @@
     (r'sed.*-i', "don't use 'sed -i', use a temporary file"),
     (r'\becho\b.*\\n', "don't use 'echo \\n', use printf"),
     (r'echo -n', "don't use 'echo -n', use printf"),
-    (r'(^| )wc[^|]*$\n(?!.*\(re\))', "filter wc output"),
+    (r'(^| )\bwc\b[^|]*$\n(?!.*\(re\))', "filter wc output"),
     (r'head -c', "don't use 'head -c', use 'dd'"),
     (r'tail -n', "don't use the '-n' option to tail, just use '-<num>'"),
     (r'sha1sum', "don't use sha1sum, use $TESTDIR/md5sum.py"),