diff --git a/[refs] b/[refs]
index 5b4d30a32fac..e1c58d259919 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f29638868280534ed7e2fdd93b31557232597940
+refs/heads/master: af2d03d4aaa847ef41a229dfee098a47908437c6
diff --git a/trunk/tools/perf/util/parse-events.c b/trunk/tools/perf/util/parse-events.c
index ffa493a24333..41982c373faf 100644
--- a/trunk/tools/perf/util/parse-events.c
+++ b/trunk/tools/perf/util/parse-events.c
@@ -734,6 +734,9 @@ parse_event_modifier(const char **strp, struct perf_event_attr *attr)
 	if (!*str)
 		return 0;
 
+	if (*str == ',')
+		return 0;
+
 	if (*str++ != ':')
 		return -1;