diff --git a/plexpy/helpers.py b/plexpy/helpers.py
index e546597b..5faf63c6 100644
--- a/plexpy/helpers.py
+++ b/plexpy/helpers.py
@@ -537,7 +537,7 @@ def helper_divmod(a, b):
         return 0
 
 
-def helper_round(n, ndigits):
+def helper_round(n, ndigits=None):
     try:
         return round(n, ndigits)
     except (ValueError, TypeError):