1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/tokenizer/normalize-punctuation.perl b/scripts/tokenizer/normalize-punctuation.perl
index 8f779449f..db8f9c60e 100755
--- a/scripts/tokenizer/normalize-punctuation.perl
+++ b/scripts/tokenizer/normalize-punctuation.perl
@@ -1,5 +1,6 @@
 #!/usr/bin/env perl 
 
+use warnings;
 use strict;
 
 my $language = "en";