diff --git a/apps/files_external/js/settings.js b/apps/files_external/js/settings.js
index 0b33458bec..55c12cc0ac 100644
--- a/apps/files_external/js/settings.js
+++ b/apps/files_external/js/settings.js
@@ -34,17 +34,7 @@ var MOUNT_OPTIONS_DROPDOWN_TEMPLATE =
 	'		</select>' +
 	'	</div>' +
 	'</div>';
-
-	/* TODO the current l10n extrator can't handle JS functions within handlebar
-	   templates therefore they are duplicated here
-	t("files_external", "Enable encryption")
-	t("files_external", "Enable previews")
-	t("files_external", "Enable sharing")
-	t("files_external", "Check for changes")
-	t("files_external", "Never")
-	t("files_external", "Once every direct access")
-	 */
-
+	
 /**
  * Returns the selection of applicable users in the given configuration row
  *
diff --git a/apps/files_external/templates/settings.php b/apps/files_external/templates/settings.php
index feccd2a4e4..7edd66fe4d 100644
--- a/apps/files_external/templates/settings.php
+++ b/apps/files_external/templates/settings.php
@@ -3,11 +3,19 @@
 	use \OCA\Files_External\Lib\DefinitionParameter;
 	use \OCA\Files_External\Service\BackendService;
 
+	$l->t("Enable encryption");
+	$l->t("Enable previews");
+	$l->t("Enable sharing");
+	$l->t("Check for changes");
+	$l->t("Never");
+	$l->t("Once every direct access");
+
 	script('files_external', 'settings');
 	style('files_external', 'settings');
 
 	// load custom JS
 	foreach ($_['backends'] as $backend) {
+		/** @var Backend $backend */
 		if ($backend->getCustomJs()) {
 			script('files_external', $backend->getCustomJs());
 		}
diff --git a/l10n/l10n.pl b/l10n/l10n.pl
index 0ff25944d6..3f50ec0756 100644
--- a/l10n/l10n.pl
+++ b/l10n/l10n.pl
@@ -74,6 +74,23 @@ sub getPluralInfo {
 	return $info;
 }
 
+sub init() {
+	# let's get the version from stdout of xgettext
+	my $out = `xgettext --version`;
+	# we assume the first line looks like this 'xgettext (GNU gettext-tools) 0.19.3'
+	$out = substr $out, 29, index($out, "\n")-29;
+	$out =~ s/^\s+|\s+$//g;
+	$out = "v" . $out;
+	my $actual = version->parse($out);
+	# 0.18.3 introduced JavaScript as a language option
+	my $expected = version->parse('v0.18.3');
+	if ($actual < $expected) {
+		die( "Minimum expected version of xgettext is " . $expected . ". Detected: " . $actual );
+	}
+}
+
+init();
+
 my $task = shift( @ARGV );
 my $place = '..';
 
@@ -117,7 +134,7 @@ if( $task eq 'read' ){
 			else{
 				$keywords = '--keyword=t --keyword=n:1,2';
 			}
-			my $language = ( $file =~ /\.js$/ ? 'Python' : 'PHP');
+			my $language = ( $file =~ /\.js$/ ? 'Javascript' : 'PHP');
 			my $joinexisting = ( -e $output ? '--join-existing' : '');
 			print "    Reading $file\n";
 			`xgettext --output="$output" $joinexisting $keywords --language=$language "$file" --add-comments=TRANSLATORS --from-code=UTF-8 --package-version="8.0.0" --package-name="ownCloud Core" --msgid-bugs-address="translations\@owncloud.org"`;