diff --git a/js/gamemgr.js b/js/gamemgr.js
index e864cb0..1b5ba95 100644
--- a/js/gamemgr.js
+++ b/js/gamemgr.js
@@ -373,13 +373,13 @@ function list_results_by_game(game) {
 
 function generate_game_report_by_groups() {
     let gameid = EDITED_GAME["_id"];
-    let filter = document.getElementById("report_filter").value.trim();
-    let groups = document.getElementById("report_groups").value.trim();
+    let filter = encodeURIComponent(document.getElementById("report_filter").value.trim());
+    let groups = encodeURIComponent(document.getElementById("report_groups").value.trim());
     let best_only = document.getElementById("best_only").checked ? "true" : "false";
     let outtype = document.getElementById("report_output_type").value;
 
     let report_url = `interface.php?action=generate_report_by_groups&gameid=${gameid}&groups=${groups}&filter=${filter}&outtype=${outtype}&best_only=${best_only}`;
-    report_url = report_url.replaceAll("#", "%23");
+    //report_url = report_url.replaceAll("#", "%23");
     window.open(report_url, "_blank");
 }