diff --git a/tools/perf/util/bpf_lock_contention.c b/tools/perf/util/bpf_lock_contention.c
index e105245eb905..f1716c089c99 100644
--- a/tools/perf/util/bpf_lock_contention.c
+++ b/tools/perf/util/bpf_lock_contention.c
@@ -12,6 +12,7 @@
 #include <linux/zalloc.h>
 #include <linux/string.h>
 #include <bpf/bpf.h>
+#include <inttypes.h>
 
 #include "bpf_skel/lock_contention.skel.h"
 #include "bpf_skel/lock_data.h"
@@ -250,7 +251,7 @@ static const char *lock_contention_get_name(struct lock_contention *con,
 		if (cgrp)
 			return cgrp->name;
 
-		snprintf(name_buf, sizeof(name_buf), "cgroup:%lu", cgrp_id);
+		snprintf(name_buf, sizeof(name_buf), "cgroup:%" PRIu64 "", cgrp_id);
 		return name_buf;
 	}