diff --git a/plexpy/libraries.py b/plexpy/libraries.py
index 1e78160e..7eb349d0 100644
--- a/plexpy/libraries.py
+++ b/plexpy/libraries.py
@@ -878,7 +878,7 @@ class Libraries(object):
             grouping = plexpy.CONFIG.GROUP_HISTORY_TABLES
 
         if query_days and query_days is not None:
-            query_days = map(helpers.cast_to_int, query_days.split(','))
+            query_days = map(helpers.cast_to_int, str(query_days).split(','))
         else:
             query_days = [1, 7, 30, 0]
 
diff --git a/plexpy/users.py b/plexpy/users.py
index ffb06713..c9ee4cb5 100644
--- a/plexpy/users.py
+++ b/plexpy/users.py
@@ -487,7 +487,7 @@ class Users(object):
             grouping = plexpy.CONFIG.GROUP_HISTORY_TABLES
 
         if query_days and query_days is not None:
-            query_days = map(helpers.cast_to_int, query_days.split(','))
+            query_days = map(helpers.cast_to_int, str(query_days).split(','))
         else:
             query_days = [1, 7, 30, 0]