diff --git a/plexpy/newsletters.py b/plexpy/newsletters.py
index cac46d46..d3910942 100644
--- a/plexpy/newsletters.py
+++ b/plexpy/newsletters.py
@@ -407,8 +407,8 @@ class Newsletter(object):
             else:
                 self.start_date = self.end_date.shift(hours=-self.config['time_frame'])
 
-        self.end_time = self.end_date.timestamp
-        self.start_time = self.start_date.timestamp
+        self.end_time = self.end_date.timestamp()
+        self.start_time = self.start_date.timestamp()
 
         self.parameters = self.build_params()
         self.subject = subject or self._DEFAULT_SUBJECT
diff --git a/plexpy/plexivity_import.py b/plexpy/plexivity_import.py
index 2c413cc5..3e5350bc 100644
--- a/plexpy/plexivity_import.py
+++ b/plexpy/plexivity_import.py
@@ -349,8 +349,8 @@ def import_from_plexivity(database_file=None, table_name=None, import_ignore_int
         else:
             user_id = extracted_xml['user_id']
 
-        session_history = {'started': arrow.get(row['started']).timestamp,
-                           'stopped': arrow.get(row['stopped']).timestamp,
+        session_history = {'started': arrow.get(row['started']).timestamp(),
+                           'stopped': arrow.get(row['stopped']).timestamp(),
                            'rating_key': extracted_xml['rating_key'],
                            'title': row['title'],
                            'parent_title': extracted_xml['parent_title'],