diff --git a/translations/translationtool/src/translationtool.php b/translations/translationtool/src/translationtool.php
index 3a91924..eba7e7f 100644
--- a/translations/translationtool/src/translationtool.php
+++ b/translations/translationtool/src/translationtool.php
@@ -145,7 +145,7 @@ public function createNextcloudFiles(): void {
 			$translations = Gettext\Translations::fromPoFile($poFile);
 
 			$strings = [];
-			$plurals = $translations->getHeader('Plural-Forms');
+			$plurals = $translations->getHeader('Plural-Forms') ?? 'nplurals=2; plural=(n != 1);';
 
 			foreach ($translations as $translation) {
 				if (!$translation->hasTranslation()) {
diff --git a/translations/translationtool/translationtool.phar b/translations/translationtool/translationtool.phar
index 22fcfaf..3f6c4d8 100755
Binary files a/translations/translationtool/translationtool.phar and b/translations/translationtool/translationtool.phar differ