diff --git a/auth.py b/auth.py
index ab4c594..b685968 100755
--- a/auth.py
+++ b/auth.py
@@ -327,7 +327,7 @@ def refreshTokens(**args):
         logger.info(str(refreshTokenObj))
 
         if refreshTokenObj["exp"] < int(time.time()):
-            throw RefreshTokenExpiredException()
+            raise RefreshTokenExpiredException()
 
         checkAndInvalidateRefreshToken(refreshTokenObj["sub"], refreshTokenObj["xid"], refreshTokenObj["xal"])