diff --git a/sysdep/cf/linux-20.h b/sysdep/cf/linux-20.h
index 9d513e2e..5fc440c9 100644
--- a/sysdep/cf/linux-20.h
+++ b/sysdep/cf/linux-20.h
@@ -9,6 +9,7 @@
 #undef CONFIG_AUTO_ROUTES
 #define CONFIG_ALL_MULTICAST
 #undef CONFIG_SELF_CONSCIOUS
+#undef CONFIG_MULTIPLE_TABLES
 
 #define CONFIG_UNIX_IFACE
 #define CONFIG_UNIX_SET
diff --git a/sysdep/cf/linux-21.h b/sysdep/cf/linux-21.h
index f9ad830d..34e81830 100644
--- a/sysdep/cf/linux-21.h
+++ b/sysdep/cf/linux-21.h
@@ -9,6 +9,7 @@
 #define CONFIG_AUTO_ROUTES
 #define CONFIG_ALL_MULTICAST
 #undef CONFIG_SELF_CONSCIOUS
+#undef CONFIG_MULTIPLE_TABLES
 
 #define CONFIG_UNIX_IFACE
 #define CONFIG_UNIX_SET
diff --git a/sysdep/cf/linux-22.h b/sysdep/cf/linux-22.h
index 53ce67cf..0a062dce 100644
--- a/sysdep/cf/linux-22.h
+++ b/sysdep/cf/linux-22.h
@@ -9,6 +9,7 @@
 #define CONFIG_AUTO_ROUTES
 #define CONFIG_ALL_MULTICAST
 #define CONFIG_SELF_CONSCIOUS
+#define CONFIG_MULTIPLE_TABLES 256
 
 /*
 Link: sysdep/linux/netlink