diff --git a/main.c b/main.c
index 1591e8d..d5933f2 100644
--- a/main.c
+++ b/main.c
@@ -482,6 +482,11 @@ static void on_accept(struct state *state, int accept_fd, interface_ref iface) {
            accept_fd);
     uint32_t header_be = 0;
     ssize_t header_received = read(accept_fd, &header_be, 4);
+    if (header_received == 0) {
+      // EOF according to man page of read.
+      fprintf(stderr, "Connection closed by peer (fd %d)\n", accept_fd);
+      goto done;
+    }
     if (header_received < 0) {
       perror("read[header]");
       goto done;
@@ -495,6 +500,7 @@ static void on_accept(struct state *state, int accept_fd, interface_ref iface) {
     }
     if (received == 0) {
       // EOF according to man page of read.
+      fprintf(stderr, "Connection closed by peer (fd %d)\n", accept_fd);
       goto done;
     }
     assert(received == header);