diff --git a/pkg/telemetrylogs/stmt_builder_test.go b/pkg/telemetrylogs/stmt_builder_test.go
index 1610a32a10cf..b19a4d86f10c 100644
--- a/pkg/telemetrylogs/stmt_builder_test.go
+++ b/pkg/telemetrylogs/stmt_builder_test.go
@@ -142,6 +142,36 @@ func TestStatementBuilderTimeSeries(t *testing.T) {
 			},
 			expectedErr: nil,
 		},
+		{
+			name:        "Time series with group by on materialized column",
+			requestType: qbtypes.RequestTypeTimeSeries,
+			query: qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]{
+				Signal:       telemetrytypes.SignalLogs,
+				StepInterval: qbtypes.Step{Duration: 30 * time.Second},
+				Aggregations: []qbtypes.LogAggregation{
+					{
+						Expression: "count()",
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: "service.name = 'cartservice'",
+				},
+				Limit: 10,
+				GroupBy: []qbtypes.GroupByKey{
+					{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name:          "materialized.key.name",
+							FieldContext:  telemetrytypes.FieldContextAttribute,
+							FieldDataType: telemetrytypes.FieldDataTypeString,
+						},
+					},
+				},
+			},
+			expected: qbtypes.Statement{
+				Query: "WITH __resource_filter AS (SELECT fingerprint FROM signoz_logs.distributed_logs_v2_resource WHERE (simpleJSONExtractString(labels, 'service.name') = ? AND labels LIKE ? AND labels LIKE ?) AND seen_at_ts_bucket_start >= ? AND seen_at_ts_bucket_start <= ?), __limit_cte AS (SELECT toString(multiIf(`attribute_string_materialized$$key$$name_exists` = ?, `attribute_string_materialized$$key$$name`, NULL)) AS `materialized.key.name`, count() AS __result_0 FROM signoz_logs.distributed_logs_v2 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND true AND timestamp >= ? AND ts_bucket_start >= ? AND timestamp < ? AND ts_bucket_start <= ? GROUP BY `materialized.key.name` ORDER BY __result_0 DESC LIMIT ?) SELECT toStartOfInterval(fromUnixTimestamp64Nano(timestamp), INTERVAL 30 SECOND) AS ts, toString(multiIf(`attribute_string_materialized$$key$$name_exists` = ?, `attribute_string_materialized$$key$$name`, NULL)) AS `materialized.key.name`, count() AS __result_0 FROM signoz_logs.distributed_logs_v2 WHERE resource_fingerprint GLOBAL IN (SELECT fingerprint FROM __resource_filter) AND true AND timestamp >= ? AND ts_bucket_start >= ? AND timestamp < ? AND ts_bucket_start <= ? AND (`materialized.key.name`) GLOBAL IN (SELECT `materialized.key.name` FROM __limit_cte) GROUP BY ts, `materialized.key.name`",
+				Args:  []any{"cartservice", "%service.name%", "%service.name\":\"cartservice%", uint64(1747945619), uint64(1747983448), true, "1747947419000000000", uint64(1747945619), "1747983448000000000", uint64(1747983448), 10, true, "1747947419000000000", uint64(1747945619), "1747983448000000000", uint64(1747983448)},
+			},
+		},
 	}
 
 	fm := NewFieldMapper()
diff --git a/pkg/types/telemetrytypes/field.go b/pkg/types/telemetrytypes/field.go
index 398fc19854a3..ac5aee727d91 100644
--- a/pkg/types/telemetrytypes/field.go
+++ b/pkg/types/telemetrytypes/field.go
@@ -24,7 +24,7 @@ type TelemetryFieldKey struct {
 	Signal        Signal        `json:"signal,omitempty"`
 	FieldContext  FieldContext  `json:"fieldContext,omitempty"`
 	FieldDataType FieldDataType `json:"fieldDataType,omitempty"`
-	Materialized  bool          `json:"materialized,omitempty"`
+	Materialized  bool          `json:"-"`
 }
 
 func (f TelemetryFieldKey) String() string {