diff --git a/tools/proftool.c b/tools/proftool.c
index a48ed286a5f240de526f4be50bd03463465fdb72..aa05e77ece547f352f1c0919dcf21f8b8a093773 100644
--- a/tools/proftool.c
+++ b/tools/proftool.c
@@ -333,7 +333,7 @@ static void check_trace_config_line(struct trace_configline_info *item)
 		if (err == REG_NOMATCH)
 			continue;
 
-		if (err != REG_NOERROR) {
+		if (err) {
 			regex_report_error(&item->regex, err, "match",
 					   item->name);
 			break;