diff --git a/test/ChangeLog b/test/ChangeLog
index 0da5f99b226..442e802a1bb 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-13  Glenn Morris  <rgm@gnu.org>
+
+	* automated/flymake/warnpred/test.pl: Tweak format, since the
+	previous one seems to have stopped giving a warning with perl 5.20.1.
+
 2014-11-22  Fabián Ezequiel Gallina  <fgallina@gnu.org>
 
 	* automated/python-tests.el
diff --git a/test/automated/flymake/warnpred/test.pl b/test/automated/flymake/warnpred/test.pl
index 2013b2e4434..2752904be24 100644
--- a/test/automated/flymake/warnpred/test.pl
+++ b/test/automated/flymake/warnpred/test.pl
@@ -1,2 +1,2 @@
 @arr = [1,2,3,4];
-@arr[1] = -1;
+$b = @arr[1];