1 files changed, 2 insertions, 1 deletions
diff --git a/reports.cgi b/reports.cgi
index 947993a56..1181e3a81 100755
--- a/reports.cgi
+++ b/reports.cgi
@@ -232,7 +232,8 @@ sub chart_image_name {
     # and number
 
     if ($datasets !~ m/^[A-Za-z0-9:]+$/) {
-        die "Invalid datasets $datasets";
+        $vars->{'datasets'} = $datasets;
+        ThrowUserError('invalid_datasets', $vars);
     }
 
     # Since we pass the tests, consider it OK