diff --git a/DemoPrograms/Demo_Tabs_Simple.py b/DemoPrograms/Demo_Tabs_Simple.py
index 68665ffa..ebc0827b 100644
--- a/DemoPrograms/Demo_Tabs_Simple.py
+++ b/DemoPrograms/Demo_Tabs_Simple.py
@@ -15,7 +15,7 @@ layout = [[sg.TabGroup([[
                 sg.Tab('Tab 2', tab2_layout)]], key='-TABGROUP-')],
           [sg.Button('Read')]]
 
-window = sg.Window('My window with tabs', layout
+window = sg.Window('My window with tabs', layout,
                    default_element_size=(12, 1))