diff --git a/script/Diagnostics/WireScan.py b/script/Diagnostics/WireScan.py
index d11c562..53255ab 100644
--- a/script/Diagnostics/WireScan.py
+++ b/script/Diagnostics/WireScan.py
@@ -91,7 +91,7 @@ def do_scan():
 
 print "Starting scan..."         
 try:     
-    set_exec_pars(group=scan_type in "y_{count}" if [WireScanner.WireY1, WireScanner.WireY1] else "x_{count}");   
+    set_exec_pars(group=  "y_{count}" if scan_type in [WireScanner.WireY1, WireScanner.WireY1] else "x_{count}");   
     do_scan()
     if scan_type in [WireScanner.Set1, WireScanner.Set2]:        
         scanner.set_selection(get_scan_selection(scan_type))