diff --git a/C4/Biblio.pm b/C4/Biblio.pm
index ef76847784..e67b646493 100755
--- a/C4/Biblio.pm
+++ b/C4/Biblio.pm
@@ -31,6 +31,7 @@ use C4::Dates qw/format_date/;
 use C4::Log; # logaction
 use C4::ClassSource;
 use C4::Charset;
+use C4::Heading;
 
 use vars qw($VERSION @ISA @EXPORT);