diff --git a/hacktober-calculator.py b/hacktober-calculator.py
index 7e40d48..2f45e76 100644
--- a/hacktober-calculator.py
+++ b/hacktober-calculator.py
@@ -66,7 +66,7 @@ def clear():
     gui = Tk() 
   
     # set the background colour of GUI window 
-    gui.configure(background="light green") 
+    gui.configure(background = "light green") 
   
     # set the title of GUI window 
     gui.title("Simple Calculator")