1 files changed, 1 insertions, 1 deletions
diff --git a/src/tcp_input.c b/src/tcp_input.c
index 45706fe..1d72479 100644
--- a/src/tcp_input.c
+++ b/src/tcp_input.c
@@ -423,7 +423,7 @@ findso:
         if ((tiflags & (TH_SYN | TH_FIN | TH_RST | TH_URG | TH_ACK)) != TH_SYN)
             goto dropwithreset;
 
-        so = socreate(slirp);
+        so = socreate(slirp, IPPROTO_TCP);
         tcp_attach(so);
 
         sbreserve(&so->so_snd, TCP_SNDSPACE);