diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 6b647c1..38d65958 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5363,7 +5363,7 @@
 		if (type == PEVENT_FUNC_ARG_VOID)
 			break;
 
-		if (type < 0 || type >= PEVENT_FUNC_ARG_MAX_TYPES) {
+		if (type >= PEVENT_FUNC_ARG_MAX_TYPES) {
 			do_warning("Invalid argument type %d", type);
 			ret = PEVENT_ERRNO__INVALID_ARG_TYPE;
 			goto out_free;