diff --git a/user/index.php b/user/index.php
index 958cb055a5f..f36491cef55 100644
--- a/user/index.php
+++ b/user/index.php
@@ -225,8 +225,8 @@ echo $renderer->unified_filter($course, $context, $filtersapplied, $baseurl);
 echo '<div class="userlist">';
 
 // Add filters to the baseurl after creating unified_filter to avoid losing them.
-foreach ($filtersapplied as $filter) {
-    $baseurl->param('unified-filters[]', $filter);
+foreach (array_unique($filtersapplied) as $filterix => $filter) {
+    $baseurl->param('unified-filters[' . $filterix . ']', $filter);
 }
 $participanttable = new \core_user\participants_table($course->id, $groupid, $lastaccess, $roleid, $enrolid, $status,
     $searchkeywords, $bulkoperations, $selectall);
diff --git a/user/tests/behat/filter_participants_showall.feature b/user/tests/behat/filter_participants_showall.feature
index 7f1ac9a04d4..6cec23e74d2 100644
--- a/user/tests/behat/filter_participants_showall.feature
+++ b/user/tests/behat/filter_participants_showall.feature
@@ -39,7 +39,7 @@ Feature: Course participants can be filtered to display all the users
     And the following "course enrolments" exist:
       | user      | course | role           | status | timeend       |
       | student1  | C1     | student        |    0   |               |
-      | student2  | C1     | student        |    1   |               |
+      | student2  | C1     | student        |    0   |               |
       | student3  | C1     | student        |    0   |               |
       | student4  | C1     | student        |    0   |               |
       | student5  | C1     | student        |    0   |               |
@@ -61,7 +61,7 @@ Feature: Course participants can be filtered to display all the users
       | student21 | C1     | student        |    0   |               |
       | student22 | C1     | student        |    0   |               |
       | student23 | C1     | student        |    0   |               |
-      | student24 | C1     | student        |    0   |               |
+      | student24 | C1     | student        |    1   |               |
       | student1  | C2     | student        |    0   |               |
       | student2  | C2     | student        |    0   |               |
       | student3  | C2     | student        |    0   |               |
@@ -88,3 +88,20 @@ Feature: Course participants can be filtered to display all the users
     Then I should see "Role: Student"
     And I should see "Number of participants: 24" in the "//div[@class='userlist']" "xpath_element"
     And I should see "Show 20 per page"
+
+  @javascript
+  Scenario: Apply more than one filter and show all users
+    Given I log in as "teacher1"
+    And I am on "Course 1" course homepage
+    And I navigate to course participants
+    When I open the autocomplete suggestions list
+    And I click on "Role: Student" item in the autocomplete list
+    And I open the autocomplete suggestions list
+    And I click on "Status: Active" item in the autocomplete list
+    And I click on "Show all 23" "link"
+    Then I should see "Role: Student"
+    And I should see "Status: Active"
+    And I should see "Number of participants: 23" in the "//div[@class='userlist']" "xpath_element"
+    And I should see "Student 1"
+    And I should not see "Student 24"
+    And I should see "Show 20 per page"