diff --git a/bug_report.php b/bug_report.php
index f3080df1d5..5f3285236a 100644
--- a/bug_report.php
+++ b/bug_report.php
@@ -137,8 +137,8 @@
 $f_report_stay                      = gpc_get_bool( 'report_stay', false );
 $f_copy_notes_from_parent           = gpc_get_bool( 'copy_notes_from_parent', false );
 $f_copy_attachments_from_parent     = gpc_get_bool( 'copy_attachments_from_parent', false );
-$f_tag_select                       = gpc_get_int( 'tag_select' );
-$f_tag_string                       = gpc_get_string( 'tag_string' );
+$f_tag_select                       = gpc_get_int( 'tag_select', 0 );
+$f_tag_string                       = gpc_get_string( 'tag_string', '' );
 
 if( access_has_project_level( config_get( 'roadmap_update_threshold' ), $t_bug_data->project_id ) ) {
 	$t_bug_data->target_version = gpc_get_string( 'target_version', '' );