diff --git a/api/chalicelib/core/custom_metrics.py b/api/chalicelib/core/custom_metrics.py
index 787b19837..10e86024c 100644
--- a/api/chalicelib/core/custom_metrics.py
+++ b/api/chalicelib/core/custom_metrics.py
@@ -26,7 +26,9 @@ def try_live(project_id, data: schemas.TryCustomMetricsSchema):
 
 
 def make_chart(project_id, user_id, metric_id, data: schemas.CustomMetricChartPayloadSchema):
-    metric = get(metric_id=metric_id, project_id=project_id, user_id=user_id)
+    metric = get(metric_id=metric_id, project_id=project_id, user_id=user_id, flatten=False)
+    if metric is None:
+        return None
     metric: schemas.TryCustomMetricsSchema = schemas.TryCustomMetricsSchema.parse_obj({**data.dict(), **metric})
     return try_live(project_id=project_id, data=metric)
 
@@ -113,10 +115,10 @@ def update(metric_id, user_id, project_id, data: schemas.UpdateCustomMetricsSche
             u AS (UPDATE metric_series
                     SET name=series.name,
                         filter=series.filter,
-                        index=series.filter.index
+                        index=series.index
                     FROM (VALUES {",".join([f"(%(u_series_id_{s['i']})s,%(u_index_{s['i']})s,%(u_name_{s['i']})s,%(u_filter_{s['i']})s::jsonb)"
-                                            for s in n_series])}) AS series(series_id, index, name, filter)
-                    WHERE metric_id =%(metric_id)s AND series_id=series.series_id
+                                            for s in u_series])}) AS series(series_id, index, name, filter)
+                    WHERE metric_series.metric_id =%(metric_id)s AND metric_series.series_id=series.series_id
                  RETURNING 1)""")
         if len(d_series_ids) > 0:
             sub_queries.append("""\
@@ -133,7 +135,6 @@ def update(metric_id, user_id, project_id, data: schemas.UpdateCustomMetricsSche
         cur.execute(
             query
         )
-        r = cur.fetchone()
     return get(metric_id=metric_id, project_id=project_id, user_id=user_id)
 
 
@@ -158,6 +159,8 @@ def get_all(project_id, user_id):
         rows = cur.fetchall()
         for r in rows:
             r["created_at"] = TimeUTC.datetime_to_timestamp(r["created_at"])
+            for s in r["series"]:
+                s["filter"] = helper.old_search_payload_to_flat(s["filter"])
         rows = helper.list_to_camel_case(rows)
     return rows
 
@@ -177,7 +180,7 @@ def delete(project_id, metric_id, user_id):
     return {"state": "success"}
 
 
-def get(metric_id, project_id, user_id):
+def get(metric_id, project_id, user_id, flatten=True):
     with pg_client.PostgresClient() as cur:
         cur.execute(
             cur.mogrify(
@@ -197,7 +200,12 @@ def get(metric_id, project_id, user_id):
             )
         )
         row = cur.fetchone()
+        if row is None:
+            return None
         row["created_at"] = TimeUTC.datetime_to_timestamp(row["created_at"])
+        if flatten:
+            for s in row["series"]:
+                s["filter"] = helper.old_search_payload_to_flat(s["filter"])
     return helper.dict_to_camel_case(row)
 
 
diff --git a/api/chalicelib/utils/helper.py b/api/chalicelib/utils/helper.py
index f8ce9fab5..6887fa5da 100644
--- a/api/chalicelib/utils/helper.py
+++ b/api/chalicelib/utils/helper.py
@@ -366,3 +366,14 @@ def has_smtp():
 
 def get_edition():
     return "ee" if "ee" in config("ENTERPRISE_BUILD", default="").lower() else "foss"
+
+
+def old_search_payload_to_flat(values):
+    # in case the old search body was passed
+    if values.get("events") is not None:
+        for v in values["events"]:
+            v["isEvent"] = True
+        for v in values.get("filters", []):
+            v["isEvent"] = False
+        values["filters"] = values.pop("events") + values.get("filters", [])
+    return values
diff --git a/api/schemas.py b/api/schemas.py
index 949ab0dff..c5623f972 100644
--- a/api/schemas.py
+++ b/api/schemas.py
@@ -629,7 +629,8 @@ class MobileSignPayloadSchema(BaseModel):
     keys: List[str] = Field(...)
 
 
-class CustomMetricSeriesFilterSchema(SessionsSearchPayloadSchema):
+class CustomMetricSeriesFilterSchema(FlatSessionsSearchPayloadSchema):
+# class CustomMetricSeriesFilterSchema(SessionsSearchPayloadSchema):
     startDate: Optional[int] = Field(None)
     endDate: Optional[int] = Field(None)
     sort: Optional[str] = Field(None)