diff --git a/C4/Biblio.pm b/C4/Biblio.pm
index 6101e7ba8d..2a4649ccda 100755
--- a/C4/Biblio.pm
+++ b/C4/Biblio.pm
@@ -30,7 +30,6 @@ use C4::Branch;
 use C4::Dates qw/format_date/;
 use C4::Log; # logaction
 use C4::ClassSource;
-use C4::Heading;
 
 use vars qw($VERSION @ISA @EXPORT);
 
@@ -107,6 +106,12 @@ BEGIN {
 	);
 }
 
+# because of interdependencies between
+# C4::Search, C4::Heading, and C4::Biblio,
+# 'use C4::Heading' must occur after
+# the exports have been defined.
+use C4::Heading;
+
 =head1 NAME
 
 C4::Biblio - cataloging management functions