diff --git a/cataloguing/additem.pl b/cataloguing/additem.pl
index 9676fd65b8..b052cbcafd 100755
--- a/cataloguing/additem.pl
+++ b/cataloguing/additem.pl
@@ -532,8 +532,10 @@ foreach my $tag (sort keys %{$tagslib}) {
         if (do $plugin) {
             my $extended_param = plugin_parameters( $dbh, $temp, $tagslib, $subfield_data{id}, \@loop_data );
             my ( $function_name, $javascript ) = plugin_javascript( $dbh, $temp, $tagslib, $subfield_data{id}, \@loop_data );
+	    my $change= index($javascript, 'function Change')>-1?"return Change$function_name($subfield_data{random}, '$subfield_data{id}');": 'return 1;'; #enhancement 4866
             $subfield_data{marc_value} = qq[<input $attributes
                 onfocus="Focus$function_name($subfield_data{random}, '$subfield_data{id}');"
+		 onchange=" $change"
                  onblur=" Blur$function_name($subfield_data{random}, '$subfield_data{id}');" />
                 <a href="#" class="buttonDot" onclick="Clic$function_name('$subfield_data{id}'); return false;" title="Tag Editor">...</a>
                 $javascript];