diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 8280413f4528..9271885e3920 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1056,6 +1056,14 @@ static int perf_event__time_conv_swap(union perf_event *event,
 	return 0;
 }
 
+static int perf_event__compressed2_swap(union perf_event *event,
+					bool sample_id_all __maybe_unused)
+{
+	/* Only data_size needs swapping — compressed payload is a raw byte stream */
+	event->pack2.data_size = bswap_64(event->pack2.data_size);
+	return 0;
+}
+
 static int perf_event__bpf_metadata_swap(union perf_event *event,
 					 bool sample_id_all __maybe_unused)
 {
@@ -1197,6 +1205,7 @@ static perf_event__swap_op perf_event__swap_ops[] = {
 	[PERF_RECORD_STAT_ROUND]	  = perf_event__stat_round_swap,
 	[PERF_RECORD_EVENT_UPDATE]	  = perf_event__event_update_swap,
 	[PERF_RECORD_TIME_CONV]		  = perf_event__time_conv_swap,
+	[PERF_RECORD_COMPRESSED2]	  = perf_event__compressed2_swap,
 	[PERF_RECORD_BPF_METADATA]	  = perf_event__bpf_metadata_swap,
 	[PERF_RECORD_SCHEDSTAT_CPU]	  = perf_event__schedstat_cpu_swap,
 	[PERF_RECORD_SCHEDSTAT_DOMAIN]	  = perf_event__schedstat_domain_swap,