diff --git a/DemoPrograms/Demo_Input_Validation.py b/DemoPrograms/Demo_Input_Validation.py
index 7b2ca404..c8b3dd50 100644
--- a/DemoPrograms/Demo_Input_Validation.py
+++ b/DemoPrograms/Demo_Input_Validation.py
@@ -20,8 +20,6 @@ while True:             # Event Loop
     event, values = window.Read()
     if event in  (None, 'Exit'):
         break
-    if not len(values['_INPUT_']):      # if field is empty ignore
-        continue
-    if values['_INPUT_'][-1] not in ('0123456789'):                 # if last char entered not a digit
+    if len(values['_INPUT_']) and values['_INPUT_'][-1] not in ('0123456789'):                 # if last char entered not a digit
         window.Element('_INPUT_').Update(values['_INPUT_'][:-1])    # delete last char from input
 window.Close()