diff --git a/include/common/compat.h b/include/common/compat.h
index e134d58..80e1dd2 100644
--- a/include/common/compat.h
+++ b/include/common/compat.h
@@ -69,6 +69,11 @@
 #define MAXPATHLEN 128
 #endif
 
+/* On Linux, allows pipes to be resized */
+#ifndef F_SETPIPE_SZ
+#define F_SETPIPE_SZ (1024 + 7)
+#endif
+
 #if defined(TPROXY) && defined(NETFILTER)
 #include <linux/types.h>
 #include <linux/netfilter_ipv6.h>
diff --git a/include/types/global.h b/include/types/global.h
index a5c7fa0..078a1d5 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -96,6 +96,7 @@
 		int server_sndbuf; /* set server sndbuf to this value if not null */
 		int server_rcvbuf; /* set server rcvbuf to this value if not null */
 		int chksize;       /* check buffer size in bytes, defaults to BUFSIZE */
+		int pipesize;      /* pipe size in bytes, system defaults if zero */
 	} tune;
 	struct {
 		char *prefix;           /* path prefix of unix bind socket */