diff --git a/handler/convert_meg.py b/handler/convert_meg.py
index 307c60ae..ce928d8c 100755
--- a/handler/convert_meg.py
+++ b/handler/convert_meg.py
@@ -34,7 +34,7 @@
     if "meg" in obj_type:
         datatype = "meg"
 
-        raw = read_raw(obj["_SeriesDescription"], verbose=0)
+        raw = read_raw(obj["_SeriesDescription"], verbose=0, allow_maxshield=True) # allow_maxshield=True for non maxfiltered data
 
         # Get entity information
         entities = obj["_entities"]