diff --git a/util.py b/util.py
index 8fe9edf..69c7366 100644
--- a/util.py
+++ b/util.py
@@ -432,7 +432,8 @@ def verify_password(password, salted_hash, salt):
 
 
 def get_supported_language():
-    lang_files = os.listdir('lang')
+    root_dir = os.path.dirname(__file__)
+    lang_files = os.listdir(os.path.join(root_dir, 'lang'))
     lang_list = []
     for lang_file in lang_files:
         match = re.search("([a-z]{2}_[A-Z]{2})\.json", lang_file)