diff --git a/sfe_ipv4_gre.h b/sfe_ipv4_gre.h
index d678d97..b60ce9b 100644
--- a/sfe_ipv4_gre.h
+++ b/sfe_ipv4_gre.h
@@ -17,4 +17,5 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 int sfe_ipv4_recv_gre(struct sfe_ipv4 *si, struct sk_buff *skb, struct net_device *dev,
-			     unsigned int len, struct iphdr *iph, unsigned int ihl, bool sync_on_find, bool tun_outer);
+		      unsigned int len, struct iphdr *iph, unsigned int ihl, bool sync_on_find,
+		      struct sfe_l2_info *l2_info, bool tun_outer);