diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 0f3d6b3d150e093d3e1c970e364abb9677699774..a3844ff43304429f6e3435fc40cfa44eb08ea509 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -764,14 +764,16 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool,
 
 	err = 0;
 	for (thread = 0; thread < threads->nr; ++thread) {
+		/*
+		 * We may race with exiting thread, so don't stop just because
+		 * one thread couldn't be synthesized.
+		 */
 		if (__event__synthesize_thread(comm_event, mmap_event,
 					       fork_event, namespaces_event,
 					       perf_thread_map__pid(threads, thread), 0,
 					       process, tool, machine,
-					       mmap_data)) {
-			err = -1;
-			break;
-		}
+					       mmap_data))
+			continue;
 
 		/*
 		 * comm.pid is set to thread group id by