diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index b3fb208cbd30..297aeaa9f69d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2450,7 +2450,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
 		 */
 	}
 
-	fprintf(trace->output, "%s:", evsel->name);
+	fprintf(trace->output, "%s(", evsel->name);
 
 	if (perf_evsel__is_bpf_output(evsel)) {
 		bpf_output__fprintf(trace, sample);
@@ -2470,7 +2470,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
 	}
 
 newline:
-	fprintf(trace->output, "\n");
+	fprintf(trace->output, ")\n");
 
 	if (callchain_ret > 0)
 		trace__fprintf_callchain(trace, sample);