diff --git a/back/app/core/routes.py b/back/app/core/routes.py
index 3987ef3d..ade3a804 100644
--- a/back/app/core/routes.py
+++ b/back/app/core/routes.py
@@ -1,4 +1,5 @@
 from beanie import PydanticObjectId
+from beanie.odm.operators.find.comparison import In
 from beanie.operators import And, RegEx, Eq
 
 from fastapi import APIRouter, HTTPException, Depends
@@ -43,11 +44,13 @@ def parse_query(query: str, model):
 
         elif operator == 'eq':
             operand = Eq(column, value)
+        elif operator == 'in':
+            operand = In(column, value.split(','))
 
         and_array.append(operand)
 
     if and_array:
-        return And(and_array) if len(and_array) > 1 else and_array[0]
+        return And(*and_array) if len(and_array) > 1 else and_array[0]
     else:
         return {}