diff --git a/[refs] b/[refs]
index 4c6855ec4d82..9bb401ac816c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2a16bf8c1333aa5107ce6474c4df9988d62b41d3
+refs/heads/master: 10ee9fa3b92dece36209a3786d7bd558d459635f
diff --git a/trunk/tools/lib/traceevent/event-parse.c b/trunk/tools/lib/traceevent/event-parse.c
index f5046191d086..bb8b3db0e583 100644
--- a/trunk/tools/lib/traceevent/event-parse.c
+++ b/trunk/tools/lib/traceevent/event-parse.c
@@ -1462,7 +1462,8 @@ static int event_read_fields(struct event_format *event, struct format_field **f
 			if (read_expect_type(EVENT_ITEM, &token))
 				goto fail;
 
-			/* add signed type */
+			if (strtoul(token, NULL, 0))
+				field->flags |= FIELD_IS_SIGNED;
 
 			free_token(token);
 			if (read_expected(EVENT_OP, ";") < 0)