diff --git a/apps/user_ldap/templates/settings.php b/apps/user_ldap/templates/settings.php
index 48a9a7aec6..95aa592594 100644
--- a/apps/user_ldap/templates/settings.php
+++ b/apps/user_ldap/templates/settings.php
@@ -75,7 +75,7 @@
 				<p><label for="ldap_override_main_server"><?php p($l->t('Disable Main Server'));?></label><input type="checkbox" id="ldap_override_main_server" name="ldap_override_main_server" value="1" data-default="<?php p($_['ldap_override_main_server_default']); ?>"  title="<?php p($l->t('Only connect to the replica server.'));?>" /></p>
 				<p><label for="ldap_tls"><?php p($l->t('Use TLS'));?></label><input type="checkbox" id="ldap_tls" name="ldap_tls" value="1" data-default="<?php p($_['ldap_tls_default']); ?>" title="<?php p($l->t('Do not use it additionally for LDAPS connections, it will fail.'));?>" /></p>
 				<p><label for="ldap_nocase"><?php p($l->t('Case insensitve LDAP server (Windows)'));?></label><input type="checkbox" id="ldap_nocase" name="ldap_nocase" data-default="<?php p($_['ldap_nocase_default']); ?>"  value="1"<?php if (isset($_['ldap_nocase']) && ($_['ldap_nocase'])) p(' checked'); ?>></p>
-				<p><label for="ldap_turn_off_cert_check"><?php p($l->t('Turn off SSL certificate validation.'));?></label><input type="checkbox" id="ldap_turn_off_cert_check" name="ldap_turn_off_cert_check" title="<?php p($l->t('If connection only works with this option, import the LDAP server\'s SSL certificate in your %s server.', $defaults->getName() ));?>" data-default="<?php p($_['ldap_turn_off_cert_check_default']); ?>" value="1"><br/><small><?php p($l->t('Not recommended, use for testing only.'));?></small></p>
+				<p><label for="ldap_turn_off_cert_check"><?php p($l->t('Turn off SSL certificate validation.'));?></label><input type="checkbox" id="ldap_turn_off_cert_check" name="ldap_turn_off_cert_check" title="<?php p($l->t('If connection only works with this option, import the LDAP server\'s SSL certificate in your %s server.', $theme->getName() ));?>" data-default="<?php p($_['ldap_turn_off_cert_check_default']); ?>" value="1"><br/><small><?php p($l->t('Not recommended, use for testing only.'));?></small></p>
 				<p><label for="ldap_cache_ttl"><?php p($l->t('Cache Time-To-Live'));?></label><input type="number" id="ldap_cache_ttl" name="ldap_cache_ttl" title="<?php p($l->t('in seconds. A change empties the cache.'));?>" data-default="<?php p($_['ldap_cache_ttl_default']); ?>" /></p>
 			</div>
 			<h3><?php p($l->t('Directory Settings'));?></h3>
@@ -108,7 +108,7 @@
 		<p class="ldapIndent"><?php p($l->t('Usernames are used to store and assign (meta) data. In order to precisely identify and recognize users, each LDAP user will have a internal username. This requires a mapping from username to LDAP user. The created username is mapped to the UUID of the LDAP user. Additionally the DN is cached as well to reduce LDAP interaction, but it is not used for identification. If the DN changes, the changes will be found. The internal username is used all over. Clearing the mappings will have leftovers everywhere. Clearing the mappings is not configuration sensitive, it affects all LDAP configurations! Never clear the mappings in a production environment, only in a testing or experimental stage.'));?></p>
 		<p class="ldapIndent"><button id="ldap_action_clear_user_mappings" name="ldap_action_clear_user_mappings"><?php p($l->t('Clear Username-LDAP User Mapping'));?></button><br/><button id="ldap_action_clear_group_mappings" name="ldap_action_clear_group_mappings"><?php p($l->t('Clear Groupname-LDAP Group Mapping'));?></button></p>
 	</fieldset>
-	<input id="ldap_submit" type="submit" value="Save" /> <button id="ldap_action_test_connection" name="ldap_action_test_connection"><?php p($l->t('Test Configuration'));?></button> <a href="<?php p($defaults->getDocBaseUrl()); ?>/server/5.0/admin_manual/auth_ldap.html" target="_blank"><img src="<?php print_unescaped(OCP\Util::imagePath('', 'actions/info.png')); ?>" style="height:1.75ex" /> <?php p($l->t('Help'));?></a>
+	<input id="ldap_submit" type="submit" value="Save" /> <button id="ldap_action_test_connection" name="ldap_action_test_connection"><?php p($l->t('Test Configuration'));?></button> <a href="<?php p($theme->getDocBaseUrl()); ?>/server/5.0/admin_manual/auth_ldap.html" target="_blank"><img src="<?php print_unescaped(OCP\Util::imagePath('', 'actions/info.png')); ?>" style="height:1.75ex" /> <?php p($l->t('Help'));?></a>
 	</div>
 
 </form>
diff --git a/core/templates/installation.php b/core/templates/installation.php
index a87853cbef..6de67a83d4 100644
--- a/core/templates/installation.php
+++ b/core/templates/installation.php
@@ -23,7 +23,7 @@
 	<fieldset class="warning">
 		<legend><strong><?php p($l->t('Security Warning'));?></strong></legend>
 		<p><?php p($l->t('Your PHP version is vulnerable to the NULL Byte attack (CVE-2006-7243)'));?><br/>
-		<?php p($l->t('Please update your PHP installation to use %s securely.', $defaults->getName() )); ?></p>
+		<?php p($l->t('Please update your PHP installation to use %s securely.', $theme->getName() )); ?></p>
 	</fieldset>
 	<?php endif; ?>
 	<?php if(!$_['secureRNG']): ?>
@@ -39,7 +39,7 @@
 		<p><?php p($l->t('Your data directory and files are probably accessible from the internet because the .htaccess file does not work.'));?><br>
 		<?php print_unescaped($l->t(
 			'For information how to properly configure your server, please see the <a href="%s" target="_blank">documentation</a>.',
-			$defaults->getDocBaseUrl().'/server/5.0/admin_manual/installation.html'
+			$theme->getDocBaseUrl().'/server/5.0/admin_manual/installation.html'
 		)); ?></p>
 	</fieldset>
 	<?php endif; ?>