diff --git a/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser.patch b/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser.patch
index 750d9a1613..177d71b5e5 100644
--- a/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser.patch
+++ b/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser.patch
@@ -387,7 +387,7 @@
    {
      var s = "";
      s += "<table class='CLASS05010'>";
-@@ -351,7 +427,27 @@
+@@ -351,7 +427,33 @@
      s += "</tr>";
      s += "</table>";
      $("tdEdit").innerHTML = s;
@@ -400,14 +400,20 @@
 +    s += "</table>";
 +    $("tdValueEdit").innerHTML = s;
 +    
-   }
++  }
 +  
++  function decodeURIComponentSafe(s) {
++    if (!s) {
++        return s;
++    }
++    return decodeURIComponent(s.replace(/%(?![0-9][0-9a-fA-F]+)/g, '%25'));
+   }
 +    
 +  loadChar8859Edit = function(sValue) 
 +  {
 +    var s = "";
 +    s += "<table class='CLASS05012'>";
-+    s += "<tr><td> <textarea id='txValue' rows='5'>"+decodeURIComponent(unescape(sValue))+"</textarea> </td></tr>";
++    s += "<tr><td> <textarea id='txValue' rows='5'>"+decodeURIComponentSafe(unescape(sValue))+"</textarea> </td></tr>";
 +    s += "</table>";
 +    $("tdValueEdit").innerHTML = s;
 +    $("tdEdit").innerHTML = "";
@@ -415,7 +421,7 @@
  
    <% 
      if (system.GetVar("createNew") == 1) {
-@@ -361,27 +457,43 @@
+@@ -361,27 +463,43 @@
        if ( (sv.Channel() != ID_ERROR) && (sv.Channel() != 0)) {
          object oChn = dom.GetObject(sv.Channel());
          if (oChn) {
diff --git a/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser/occu/WebUI/www/rega/pages/tabs/admin/msg/newSysVar.htm b/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser/occu/WebUI/www/rega/pages/tabs/admin/msg/newSysVar.htm
index 34684b182f..fe8057e6fc 100755
--- a/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser/occu/WebUI/www/rega/pages/tabs/admin/msg/newSysVar.htm
+++ b/buildroot-external/patches/occu/0097-WebUI-SetSysvarValueByUser/occu/WebUI/www/rega/pages/tabs/admin/msg/newSysVar.htm
@@ -438,12 +438,18 @@
     
   }
   
+  function decodeURIComponentSafe(s) {
+    if (!s) {
+        return s;
+    }
+    return decodeURIComponent(s.replace(/%(?![0-9][0-9a-fA-F]+)/g, '%25'));
+  }
     
   loadChar8859Edit = function(sValue) 
   {
     var s = "";
     s += "<table class='CLASS05012'>";
-    s += "<tr><td> <textarea id='txValue' rows='5'>"+decodeURIComponent(unescape(sValue))+"</textarea> </td></tr>";
+    s += "<tr><td> <textarea id='txValue' rows='5'>"+decodeURIComponentSafe(unescape(sValue))+"</textarea> </td></tr>";
     s += "</table>";
     $("tdValueEdit").innerHTML = s;
     $("tdEdit").innerHTML = "";