diff --git a/tpws/helpers.c b/tpws/helpers.c
index c1b17bf..8d71403 100644
--- a/tpws/helpers.c
+++ b/tpws/helpers.c
@@ -19,6 +19,9 @@
 #endif
 
 #include "helpers.h"
+#ifdef __linux__
+#include <linux/tcp.h>
+#endif
 #include "linux_compat.h"
 
 int unique_size_t(size_t *pu, int ct)
diff --git a/tpws/linux_compat.h b/tpws/linux_compat.h
index 8936c49..5695292 100644
--- a/tpws/linux_compat.h
+++ b/tpws/linux_compat.h
@@ -1,6 +1,14 @@
 #ifdef __linux__
 
-#include <linux/tcp.h>
+#include <linux/types.h>
+
+#ifndef TCP_USER_TIMEOUT
+#define TCP_USER_TIMEOUT 18
+#endif
+
+#ifndef IP6T_SO_ORIGINAL_DST
+ #define IP6T_SO_ORIGINAL_DST 80
+#endif
 
 // workaround for old headers
 
diff --git a/tpws/redirect.c b/tpws/redirect.c
index ecfc8b2..58491ec 100644
--- a/tpws/redirect.c
+++ b/tpws/redirect.c
@@ -9,12 +9,10 @@
 
 #include "params.h"
 #include "helpers.h"
+#include "linux_compat.h"
 
 #ifdef __linux__
  #include <linux/netfilter_ipv4.h>
- #ifndef IP6T_SO_ORIGINAL_DST
-  #define IP6T_SO_ORIGINAL_DST 80
- #endif
 #endif
 
 
diff --git a/tpws/tpws_conn.c b/tpws/tpws_conn.c
index 5c54ebd..b4056ee 100644
--- a/tpws/tpws_conn.c
+++ b/tpws/tpws_conn.c
@@ -23,6 +23,7 @@
 #include "socks.h"
 #include "helpers.h"
 #include "hostlist.h"
+#include "linux_compat.h"
 
 // keep separate legs counter. counting every time thousands of legs can consume cpu
 static int legs_local, legs_remote;