diff --git a/bin/xscreensaver_yubilock.py b/bin/xscreensaver_yubilock.py
index d68b848..adb87fb 100755
--- a/bin/xscreensaver_yubilock.py
+++ b/bin/xscreensaver_yubilock.py
@@ -102,7 +102,7 @@ def get_yubikey_serials() -> int:
 
 def update_lock_state():
     if any(serial in yubikey_serials for serial in get_yubikey_serials()):
-        if screensaver_running() or just_woke_up(): 
+        if screensaver_running() or just_woke_up():
             logger.debug('screen will be unlocked')
             unlock_screen()
     else: