diff --git a/app/corpora/pj_events.py b/app/corpora/pj_events.py
index 5f11a891..ee647e9a 100644
--- a/app/corpora/pj_events.py
+++ b/app/corpora/pj_events.py
@@ -81,7 +81,7 @@ def pj_corpus_analysis_query(query):
             break
         chunk = results.export(context=context, cutoff=chunk_size,
                                expand_lists=True, offset=chunk_start)
-        chunk.cpos_ranges = False
+        chunk['cpos_ranges'] = False
         if (results.size == 0):
             progress = 100
         else: