diff --git a/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009a.config b/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009a.config
index c91e1a17..2d06d5d7 100644
--- a/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009a.config
+++ b/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009a.config
@@ -1033,7 +1033,7 @@ CONFIG_NET_CORE=y
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-CONFIG_TUN=m
+CONFIG_TUN=y
 # CONFIG_TUN_VNET_CROSS_LE is not set
 # CONFIG_VETH is not set
 # CONFIG_NLMON is not set
diff --git a/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009b.config b/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009b.config
index 20193967..215b11bb 100644
--- a/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009b.config
+++ b/br-ext-chip-sigmastar/board/infinity6/kernel/infinity6-ssc009b.config
@@ -1033,7 +1033,7 @@ CONFIG_NET_CORE=y
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-CONFIG_TUN=m
+CONFIG_TUN=y
 # CONFIG_TUN_VNET_CROSS_LE is not set
 # CONFIG_VETH is not set
 # CONFIG_NLMON is not set