diff --git a/cataloguing/value_builder/callnumber-KU.pl b/cataloguing/value_builder/callnumber-KU.pl
index 2ec3ba3e5b..8394da0d28 100755
--- a/cataloguing/value_builder/callnumber-KU.pl
+++ b/cataloguing/value_builder/callnumber-KU.pl
@@ -22,6 +22,7 @@ use warnings;
 use C4::Auth;
 use CGI qw ( -utf8 );
 use C4::Context;
+use C4::Output;
 
 =head1 DESCRIPTION
 
diff --git a/cataloguing/value_builder/callnumber.pl b/cataloguing/value_builder/callnumber.pl
index dd8a62b020..9d69f272f7 100755
--- a/cataloguing/value_builder/callnumber.pl
+++ b/cataloguing/value_builder/callnumber.pl
@@ -22,6 +22,7 @@ use warnings;
 use C4::Auth;
 use CGI qw ( -utf8 );
 use C4::Context;
+use C4::Output;
 
 =head1 DESCRIPTION
 
diff --git a/cataloguing/value_builder/unimarc_field_010.pl b/cataloguing/value_builder/unimarc_field_010.pl
index b913ab4cb0..1df7e80ce4 100755
--- a/cataloguing/value_builder/unimarc_field_010.pl
+++ b/cataloguing/value_builder/unimarc_field_010.pl
@@ -23,6 +23,7 @@ use warnings;
 use C4::Auth;
 use CGI qw ( -utf8 );
 use C4::Context;
+use C4::Output;
 
 
 sub plugin_javascript {