diff --git a/pymisp/mispevent.py b/pymisp/mispevent.py
index e59fb1b..611141b 100644
--- a/pymisp/mispevent.py
+++ b/pymisp/mispevent.py
@@ -216,7 +216,7 @@ class MISPEvent(object):
 
     def __init__(self, describe_types=None):
         self.ressources_path = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'data')
-        with open(os.path.join(self.ressources_path, 'schema.json', 'r') as f:
+        with open(os.path.join(self.ressources_path, 'schema.json'),'r') as f:
             self.json_schema = json.load(f)
         with open(os.path.join(self.ressources_path, 'schema-lax.json'), 'r') as f:
             self.json_schema_lax = json.load(f)