diff --git a/api/chalicelib/core/heatmaps.py b/api/chalicelib/core/heatmaps.py
index 03d0a5864..58eabb339 100644
--- a/api/chalicelib/core/heatmaps.py
+++ b/api/chalicelib/core/heatmaps.py
@@ -176,7 +176,7 @@ def search_short_session(data: schemas.HeatMapSessionsSearch, project_id, user_i
                                                         project_id=project_id, user_id=user_id)
     full_args["exclude_sessions"] = tuple(exclude_sessions)
     if len(exclude_sessions) > 0:
-        query_part += "\n AND session_id NOT IN (%(exclude_sessions)s)"
+        query_part += "\n AND session_id NOT IN %(exclude_sessions)s"
     with pg_client.PostgresClient() as cur:
         data.order = schemas.SortOrderType.desc
         data.sort = 'duration'
diff --git a/ee/api/chalicelib/core/heatmaps.py b/ee/api/chalicelib/core/heatmaps.py
index 18f2fc12e..f57273ec6 100644
--- a/ee/api/chalicelib/core/heatmaps.py
+++ b/ee/api/chalicelib/core/heatmaps.py
@@ -192,7 +192,7 @@ if not config("EXP_SESSIONS_SEARCH", cast=bool, default=False):
                                                             project_id=project_id, user_id=user_id)
         full_args["exclude_sessions"] = tuple(exclude_sessions)
         if len(exclude_sessions) > 0:
-            query_part += "\n AND session_id NOT IN (%(exclude_sessions)s)"
+            query_part += "\n AND session_id NOT IN %(exclude_sessions)s"
         with pg_client.PostgresClient() as cur:
             data.order = schemas.SortOrderType.desc
             data.sort = 'duration'