diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 09e0596..0d52ea5 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -69,7 +69,7 @@ enum nlmsgerr_attrs {
 #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)
+static inline s8 nla_get_s8(struct nlattr *nla)
 {
 	return (s8) nla_get_u8(nla);
 }