diff --git a/config/settings.properties b/config/settings.properties
index f05b810..7cb210a 100644
--- a/config/settings.properties
+++ b/config/settings.properties
@@ -1,8 +1,8 @@
-#Thu Aug 22 10:45:21 CEST 2019
+#Thu Aug 22 10:45:35 CEST 2019
 count_time=1
 data_root=/sls/X04SA/data/x04sa/ES3/expdata
 detectors=mythen,mythen.acquire_time,pixel,pixel.image_filename,image.intensity,image.corrected_intensity,image.matrix
-geometry=fourcv
+geometry=fourcvi
 roi=173 88 285 136
 user_exp=NNO
 user_name=pshell_development
diff --git a/script/local.py b/script/local.py
index 97256ed..a37e5e1 100644
--- a/script/local.py
+++ b/script/local.py
@@ -15,6 +15,7 @@ import json
 INTERLOCKS = []
 
 def clear_interlocks():
+    global INTERLOCKS
     for interlock in INTERLOCKS:
         try:
             interlock.close()
@@ -23,6 +24,7 @@ def clear_interlocks():
     INTERLOCKS = []
 
 def add_interlock(interlock):
+    global INTERLOCKS
     INTERLOCKS.append(interlock)