diff --git a/linux-6.12.defconfig b/linux-6.12.defconfig
index 53b3d9a..f665ed8 100644
--- a/linux-6.12.defconfig
+++ b/linux-6.12.defconfig
@@ -20,6 +20,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_INET_DIAG is not set
 # CONFIG_IPV6_SIT is not set
+CONFIG_MPTCP=y
 CONFIG_PCI=y
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y