diff --git a/script/Extreme.py b/script/Extreme.py
index 6504f20..33977a5 100644
--- a/script/Extreme.py
+++ b/script/Extreme.py
@@ -79,7 +79,7 @@ for B in setpoints:
         #converting polarization strings to integer numbers: C+ -> 1 and C- -> 2
         if detector4 == 'CIRC +': detector4 = 1
         elif detector4 == 'CIRC -': detector4 = 2
-        else detector4 = 0
+        else: detector4 = 0
 
         scan.append ([B, E], [readback1, readback2], [detector1, detector2, detector4, detector6, detector7, tey_norm])