diff --git a/Keycloak.php b/Keycloak.php
index 624970d..01e59bc 100644
--- a/Keycloak.php
+++ b/Keycloak.php
@@ -40,7 +40,14 @@ public function getEndpoint(string $endpoint)
     {
         if (!isset($this->discovery)) {
             $plugin = plugin_load('helper', 'oauthkeycloak');
-            $json = file_get_contents($plugin->getConf('openidurl'));
+
+            $context = stream_context_create([
+                'ssl' => [
+                    'verify_peer' => $plugin->getConf('verify-peer')
+                  ]
+                ]);
+            $json = file_get_contents($plugin->getConf('openidurl'), false, $context);
+
             if (!$json) throw new \Exception('Failed accessing ' . $plugin->getConf('openidurl'));
             $this->discovery = json_decode($json, true);
         }
diff --git a/conf/default.php b/conf/default.php
index b4b5185..6a0d594 100644
--- a/conf/default.php
+++ b/conf/default.php
@@ -8,6 +8,7 @@
 $conf['secret'] = '';
 
 $conf['openidurl'] = '';
+$conf['verify-peer'] = 1;
 
 $conf['label'] = 'Keycloak';
 $conf['color'] = '#333333';
diff --git a/conf/metadata.php b/conf/metadata.php
index f94d3e3..a945fc2 100644
--- a/conf/metadata.php
+++ b/conf/metadata.php
@@ -8,6 +8,7 @@
 $meta['secret'] = array('password');
 
 $meta['openidurl'] = array('string');
+$meta['verify-peer']  = array('onoff','_caution' => 'security');
 
 $meta['label'] = array('string');
 $meta['color'] = array('string');
diff --git a/lang/en/settings.php b/lang/en/settings.php
index 8b9419b..da624f8 100644
--- a/lang/en/settings.php
+++ b/lang/en/settings.php
@@ -9,6 +9,7 @@
 $lang['key'] = 'Client ID';
 $lang['secret'] = 'Cient Secret';
 $lang['openidurl'] = 'OpenID Connect Auto Discovery URL';
+$lang['verify-peer'] = 'Verification of SSL certificate is required.';
 
 $lang['label'] = 'Label to display on the login button';
 $lang['color'] = 'Color to use with the login button';