1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/tokenizer/pre-tokenizer.perl b/scripts/tokenizer/pre-tokenizer.perl
index 35134a9c0..499671b44 100755
--- a/scripts/tokenizer/pre-tokenizer.perl
+++ b/scripts/tokenizer/pre-tokenizer.perl
@@ -4,6 +4,7 @@
 # Start by Ulrich Germann, after noticing systematic preprocessing errors
 # in some of the English Europarl data.
 
+use warnings;
 use strict;
 use Getopt::Std;