diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 5a824e355d04d61a694853d285078effa2e2985e..7538a1f9c55715f20d11cb9d821c00b23d87554f 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2481,7 +2481,7 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char **
 
 	free_token(token);
 	arg = alloc_arg();
-	if (!field) {
+	if (!arg) {
 		do_warning("%s: not enough memory!", __func__);
 		*tok = NULL;
 		return EVENT_ERROR;