diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c
index 11a8d86f7fea3bf4ec5fb8cb05f27dc4c491d948..826d7b38c9a08abb96e1ed381f0e4c2b8e60c2cf 100644
--- a/tools/perf/util/intlist.c
+++ b/tools/perf/util/intlist.c
@@ -20,6 +20,7 @@ static struct rb_node *intlist__node_new(struct rblist *rblist __maybe_unused,
 
 	if (node != NULL) {
 		node->i = i;
+		node->priv = NULL;
 		rc = &node->rb_node;
 	}
 
diff --git a/tools/perf/util/intlist.h b/tools/perf/util/intlist.h
index 62351dad848f76c478cced833c315cc71ff1ed63..0eb00ac39e011e53137dffdbaca39768644c0b3d 100644
--- a/tools/perf/util/intlist.h
+++ b/tools/perf/util/intlist.h
@@ -9,6 +9,7 @@
 struct int_node {
 	struct rb_node rb_node;
 	int i;
+	void *priv;
 };
 
 struct intlist {