--- js/src/config/milestone.pl.orig
+++ js/src/config/milestone.pl
@@ -55,7 +55,7 @@
 #
 my $milestone = Moz::Milestone::getOfficialMilestone($MILESTONE_FILE);
 
-if (defined(@TEMPLATE_FILE)) {
+if (@TEMPLATE_FILE) {
   my $TFILE;
 
   foreach $TFILE (@TEMPLATE_FILE) {