diff --git a/lib/nlattr.c b/lib/nlattr.c
index 76a1b59523ab05907403f4f9bd5dc547fca1bcab..f5907d23272d48562c69b911e5a0a619e3f4c180 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -279,6 +279,8 @@ int nla_memcpy(void *dest, const struct nlattr *src, int count)
 	int minlen = min_t(int, count, nla_len(src));
 
 	memcpy(dest, nla_data(src), minlen);
+	if (count > minlen)
+		memset(dest + minlen, 0, count - minlen);
 
 	return minlen;
 }