diff --git a/06_data_word_cloud.py b/06_data_word_cloud.py
index ed9cd5f..bb60a38 100644
--- a/06_data_word_cloud.py
+++ b/06_data_word_cloud.py
@@ -38,7 +38,7 @@ words = ""
 with context.search("type:document") as search_result:
     for trace in search_result:
         if "text" in trace.data_types:
-            with io.TextIOWrapper(trace.open(stream='text')) as content:
+            with io.TextIOWrapper(trace.open(stream='text'), encoding="utf-8") as content:
                 words += content.read()
 words