diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index e6fbad9..09e0596 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -66,6 +66,14 @@ enum nlmsgerr_attrs {
 #ifndef SOL_NETLINK
 #define SOL_NETLINK 270
 #endif
+#ifndef NLA_S8
+/* libnl < 3.3 does not define signed 8-bit attr helpers */
+#define NLA_S8 NLA_U8
+static inline s8 nla_get_s8(const struct nlattr *nla)
+{
+	return (s8) nla_get_u8(nla);
+}
+#endif /* NLA_S8 */
 
 
 #ifdef ANDROID