diff --git a/app/vlinsert/opentelemetry/opentelemetry_test.go b/app/vlinsert/opentelemetry/opentelemetry_test.go
index fa856af42..254d9f21b 100644
--- a/app/vlinsert/opentelemetry/opentelemetry_test.go
+++ b/app/vlinsert/opentelemetry/opentelemetry_test.go
@@ -60,13 +60,15 @@ func TestPushProtoOk(t *testing.T) {
 					LogRecords: []pb.LogRecord{
 						{Attributes: []*pb.KeyValue{}, TimeUnixNano: 1234, SeverityNumber: 1, Body: pb.AnyValue{StringValue: ptrTo("log-line-message")}},
 						{Attributes: []*pb.KeyValue{}, TimeUnixNano: 1235, SeverityNumber: 21, Body: pb.AnyValue{StringValue: ptrTo("log-line-message-msg-2")}},
+						{Attributes: []*pb.KeyValue{}, TimeUnixNano: 1236, SeverityNumber: -1, Body: pb.AnyValue{StringValue: ptrTo("log-line-message-msg-2")}},
 					},
 				},
 			},
 		},
 	},
-		[]int64{1234, 1235},
+		[]int64{1234, 1235, 1236},
 		`{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message","severity":"Trace"}
+{"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message-msg-2","severity":"Unspecified"}
 {"logger":"context","instance_id":"10","node_taints":"[{\"Key\":\"role\",\"Value\":{\"StringValue\":\"dev\",\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":null,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}},{\"Key\":\"cluster_load_percent\",\"Value\":{\"StringValue\":null,\"BoolValue\":null,\"IntValue\":null,\"DoubleValue\":0.55,\"ArrayValue\":null,\"KeyValueList\":null,\"BytesValue\":null}}]","_msg":"log-line-message-msg-2","severity":"Unspecified"}`,
 	)
 
diff --git a/lib/protoparser/opentelemetry/pb/logs.go b/lib/protoparser/opentelemetry/pb/logs.go
index 6bbac31b2..3bbe6e478 100644
--- a/lib/protoparser/opentelemetry/pb/logs.go
+++ b/lib/protoparser/opentelemetry/pb/logs.go
@@ -250,7 +250,7 @@ func (lr *LogRecord) FormatSeverity() string {
 	if lr.SeverityText != "" {
 		return lr.SeverityText
 	}
-	if lr.SeverityNumber > int32(len(logSeverities)-1) {
+	if lr.SeverityNumber < 0 || lr.SeverityNumber >= int32(len(logSeverities)) {
 		return logSeverities[0]
 	}
 	return logSeverities[lr.SeverityNumber]