diff --git a/mip/mip.c b/mip/mip.c
index 872bd0f3..8c09b3ac 100644
--- a/mip/mip.c
+++ b/mip/mip.c
@@ -540,7 +540,7 @@ long mg_io_send(struct mg_connection *c, const void *buf, size_t len) {
   if (tx_tcp(ifp, c->rem.ip, TH_PUSH | TH_ACK, c->loc.port, c->rem.port,
              mg_htonl(s->seq), mg_htonl(s->ack), buf, len) > 0) {
     s->seq += (uint32_t) len;
-    if (s->ttype == MIP_TTYPE_KEEPALIVE) settmout(c, MIP_TTYPE_KEEPALIVE);
+    settmout(c, MIP_TTYPE_KEEPALIVE);
   } else {
     return MG_IO_ERR;
   }
diff --git a/mongoose.c b/mongoose.c
index b436acf5..dec87e86 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -7067,7 +7067,7 @@ long mg_io_send(struct mg_connection *c, const void *buf, size_t len) {
   if (tx_tcp(ifp, c->rem.ip, TH_PUSH | TH_ACK, c->loc.port, c->rem.port,
              mg_htonl(s->seq), mg_htonl(s->ack), buf, len) > 0) {
     s->seq += (uint32_t) len;
-    if (s->ttype == MIP_TTYPE_KEEPALIVE) settmout(c, MIP_TTYPE_KEEPALIVE);
+    settmout(c, MIP_TTYPE_KEEPALIVE);
   } else {
     return MG_IO_ERR;
   }