diff --git a/[refs] b/[refs]
index 0dd5ec9b81e5..58c089461f08 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 19f4740255668ca297dcf9f02d80eb9bc87a1d66
+refs/heads/master: a1bca6cc87fee26f3d9120b3f3418b7edfc91ec2
diff --git a/trunk/tools/perf/builtin-stat.c b/trunk/tools/perf/builtin-stat.c
index af0d65b41416..076eda53cfba 100644
--- a/trunk/tools/perf/builtin-stat.c
+++ b/trunk/tools/perf/builtin-stat.c
@@ -528,7 +528,7 @@ static void print_noise_pct(double total, double avg)
 
 	if (csv_output)
 		fprintf(output, "%s%.2f%%", csv_sep, pct);
-	else
+	else if (pct)
 		fprintf(output, "  ( +-%6.2f%% )", pct);
 }