1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 4c7c2d73251f..c0b70c697a36 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -296,7 +296,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
         if (mkdir_p(filename, 0755))
                 goto out_free;
 
-        snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id);
+        snprintf(filename + len, size - len, "/%s", sbuild_id);
 
         if (access(filename, F_OK)) {
                 if (is_kallsyms) {