diff --git a/api/api_v1/endpoints/query.py b/api/api_v1/endpoints/query.py
index e26f421..93849d2 100644
--- a/api/api_v1/endpoints/query.py
+++ b/api/api_v1/endpoints/query.py
@@ -394,8 +394,9 @@ async def event_model(
             groups = []
             for gitem in item['groups']:
                 gb = []
-                if '(' in gitem:
-                    gitem = gitem.strip('(').strip(')').replace(' ', '').replace("'", '')
+                if '(' in gitem or '[' in gitem:
+                    gitem = gitem.replace('(', '').replace(')', '').replace(' ', '').replace("'", '') \
+                        .replace('[', '').replace(']', '')
                 if isinstance(gitem, list):
                     true_list = gitem
                 else: