diff --git a/Koha/Suggestion.pm b/Koha/Suggestion.pm
index 85f7861f96..b9fe4f1529 100644
--- a/Koha/Suggestion.pm
+++ b/Koha/Suggestion.pm
@@ -19,6 +19,8 @@ package Koha::Suggestion;
 
 use Modern::Perl;
 
+use C4::Context;
+use C4::Letters;
 
 use Koha::Database;
 use Koha::DateUtils qw( dt_from_string );