diff --git a/classes/certificate.php b/classes/certificate.php
index 0bf17a8..1eccf73 100644
--- a/classes/certificate.php
+++ b/classes/certificate.php
@@ -317,7 +317,7 @@ class certificate {
         $conditionsparams = array();
 
         // Get all users that can manage this certificate to exclude them from the report.
-        $certmanagers = array_keys(get_users_by_capability($context, 'mod/certificate:manage', 'u.id'));
+        $certmanagers = array_keys(get_users_by_capability($context, 'mod/customcert:manage', 'u.id'));
         $certmanagers = array_merge($certmanagers, array_keys(get_admins()));
         list($sql, $params) = $DB->get_in_or_equal($certmanagers, SQL_PARAMS_NAMED, 'cert');
         $conditionssql .= "AND NOT u.id $sql \n";
diff --git a/lib.php b/lib.php
index 2c51035..9f51ab5 100644
--- a/lib.php
+++ b/lib.php
@@ -234,7 +234,7 @@ function customcert_pluginfile($course, $cm, $context, $filearea, $args, $forced
     if ($filearea === 'image') {
         if ($context->contextlevel == CONTEXT_MODULE) {
             require_login($course, false, $cm);
-        } else if ($context->contextlevel == CONTEXT_SYSTEM && !has_capability('mod/certificate:manage', $context)) {
+        } else if ($context->contextlevel == CONTEXT_SYSTEM && !has_capability('mod/customcert:manage', $context)) {
             return false;
         }
 
diff --git a/view.php b/view.php
index 93923df..47942cb 100644
--- a/view.php
+++ b/view.php
@@ -42,7 +42,7 @@ $pageurl = new moodle_url('/mod/customcert/view.php', array('id' => $cm->id));
 \mod_customcert\page_helper::page_setup($pageurl, $context, format_string($customcert->name));
 
 // Check if the user can view the certificate based on time spent in course.
-if ($customcert->requiredtime && !has_capability('mod/certificate:manage', $context)) {
+if ($customcert->requiredtime && !has_capability('mod/customcert:manage', $context)) {
     if (\mod_customcert\certificate::get_course_time($course->id) < ($customcert->requiredtime * 60)) {
         $a = new stdClass;
         $a->requiredtime = $customcert->requiredtime;