diff --git a/C4/Log.pm b/C4/Log.pm
index f40b7c09f9..4fc7878271 100644
--- a/C4/Log.pm
+++ b/C4/Log.pm
@@ -24,6 +24,7 @@ package C4::Log;
 use strict;
 use warnings;
 
+use Data::Dumper qw( Dumper );
 use JSON qw( to_json );
 
 use C4::Context;