diff --git a/doc/configuration.txt b/doc/configuration.txt
index 52e6cf4..dc43003 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -10936,6 +10936,9 @@
   total concurrent connections. The limit will then reach 64k connections per
   server.
 
+  Since Linux 4.2/libc 2.23 IP_BIND_ADDRESS_NO_PORT is set for connections
+  specifying the source address without port(s).
+
   Supported in default-server: No
 
 ssl
diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index 91d6688..424731a 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -467,6 +467,10 @@
 			} while (ret != 0); /* binding NOK */
 		}
 		else {
+#ifdef IP_BIND_ADDRESS_NO_PORT
+			static int bind_address_no_port = 1;
+			setsockopt(fd, SOL_IP, IP_BIND_ADDRESS_NO_PORT, (const void *) &bind_address_no_port, sizeof(int));
+#endif
 			ret = tcp_bind_socket(fd, flags, &src->source_addr, &conn->addr.from);
 			if (ret != 0)
 				conn->err_code = CO_ER_CANT_BIND;