diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index b76088fadf3d02476fec0270870d8f4cfb9a84ca..6a6548890d5a16e7b67c0949a191a00a45fa10e1 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -424,7 +424,7 @@ static int probe_cache__open(struct probe_cache *pcache, const char *target,
 
 	if (target && build_id_cache__cached(target)) {
 		/* This is a cached buildid */
-		strncpy(sbuildid, target, SBUILD_ID_SIZE);
+		strlcpy(sbuildid, target, SBUILD_ID_SIZE);
 		dir_name = build_id_cache__linkname(sbuildid, NULL, 0);
 		goto found;
 	}