diff --git a/scripts/maint/checkSpace.pl b/scripts/maint/checkSpace.pl
index 724b5a5860..950936115b 100755
--- a/scripts/maint/checkSpace.pl
+++ b/scripts/maint/checkSpace.pl
@@ -1,4 +1,7 @@
-#!/usr/bin/perl -w
+#!/usr/bin/perl
+
+use strict;
+use warnings;
 
 my $C = 0;