diff --git a/examples/up.py b/examples/up.py
index af53e02..31088ee 100755
--- a/examples/up.py
+++ b/examples/up.py
@@ -18,4 +18,4 @@ if __name__ == '__main__':
     me = MISPEvent()
     me.load_file(args.input)
 
-    result = misp.update_event(args.event, me)
+    result = misp.update_event(me, args.event)
diff --git a/pymisp/abstract.py b/pymisp/abstract.py
index 5df5ffd..dedb635 100644
--- a/pymisp/abstract.py
+++ b/pymisp/abstract.py
@@ -46,7 +46,7 @@ class MISPFileCache(object):
     def _load_json(path: Path) -> Union[dict, None]:
         if not path.exists():
             return None
-        with path.open('r') as f:
+        with path.open('r', encoding='utf-8') as f:
             if HAS_RAPIDJSON:
                 data = load(f)
             else:
diff --git a/pymisp/tools/vtreportobject.py b/pymisp/tools/vtreportobject.py
index 336225e..97c3332 100644
--- a/pymisp/tools/vtreportobject.py
+++ b/pymisp/tools/vtreportobject.py
@@ -81,7 +81,7 @@ class VTReportObject(AbstractMISPObjectGenerator):
             report = requests.get(url, params=params)
         report_json = report.json()
         if report_json["response_code"] == 1:
-            return report
+            return report_json
         else:
             error_msg = "{}: {}".format(resource, report_json["verbose_msg"])
             raise InvalidMISPObject(error_msg)