diff --git a/filter.php b/filter.php
index 13004ad..2aa2a50 100644
--- a/filter.php
+++ b/filter.php
@@ -3939,15 +3939,22 @@ function ($matches) use ($USER) {
                 if ($found > 0) {
                     foreach ($matches[1] as $key => $match) {
                         $fieldname = $matches[1][$key];
-                        // Do not process tag if the specified profile field name does not exist.
-                        if (!array_key_exists($fieldname, $profilefields)) {
-                            continue;
-                        }
-
                         $string = $matches[0][$key]; // String found in $text.
                         $operator = $matches[2][$key];
                         $value = $matches[3][$key];
 
+                        // Do not process tag if the specified profile field name does not exist or user is not logged in.
+                        if (!array_key_exists($fieldname, $profilefields) || !isloggedin() || isguestuser()) {
+                            if ($operator == 'not') {
+                                // It will always meet criteria of a "not" if the user doesn't have a profile.
+                                $replace['/' . preg_quote($string, '/') . '/isuU'] = $matches[4][$key];
+                            } else {
+                                // It will never match the criteria "is", "contains" or "in" if the user doesn't have a profile.
+                                $replace['/' . preg_quote($string, '/') . '/isuU'] = '';
+                            }
+                            continue;
+                        }
+
                         if (!empty($value)) {
                             $value = trim($value, '"'); // Trim quotation marks.
                         }
diff --git a/version.php b/version.php
index 62d16d8..8d1a04d 100644
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2024072200;            // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2024072201;            // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2014051200;            // Requires Moodle version 2.7 or later.
 $plugin->component = 'filter_filtercodes';  // Full name of the plugin (used for diagnostics).
 $plugin->release   = '2.5.2';