diff --git a/LFOA/default.yaml b/LFOA/default.yaml
index 4178b75c..91804d61 100644
--- a/LFOA/default.yaml
+++ b/LFOA/default.yaml
@@ -12,6 +12,7 @@ yamls :
 - LFOA_SBIG.yaml
 
 properties :
+  instrument: LFOA
   airmass : 1.2
   declination : +30
   hour_angle : 0