diff --git a/examples/protocols/asio/chat_client/sdkconfig.defaults b/examples/protocols/asio/chat_client/sdkconfig.defaults
index d99552e19..ce53d73ec 100644
--- a/examples/protocols/asio/chat_client/sdkconfig.defaults
+++ b/examples/protocols/asio/chat_client/sdkconfig.defaults
@@ -1 +1 @@
-CONFIG_MAIN_TASK_STACK_SIZE=8192
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
diff --git a/examples/protocols/asio/chat_server/sdkconfig.defaults b/examples/protocols/asio/chat_server/sdkconfig.defaults
index d99552e19..ce53d73ec 100644
--- a/examples/protocols/asio/chat_server/sdkconfig.defaults
+++ b/examples/protocols/asio/chat_server/sdkconfig.defaults
@@ -1 +1 @@
-CONFIG_MAIN_TASK_STACK_SIZE=8192
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
diff --git a/examples/protocols/asio/tcp_echo_server/sdkconfig.defaults b/examples/protocols/asio/tcp_echo_server/sdkconfig.defaults
index d99552e19..ce53d73ec 100644
--- a/examples/protocols/asio/tcp_echo_server/sdkconfig.defaults
+++ b/examples/protocols/asio/tcp_echo_server/sdkconfig.defaults
@@ -1 +1 @@
-CONFIG_MAIN_TASK_STACK_SIZE=8192
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
diff --git a/examples/protocols/asio/udp_echo_server/sdkconfig.defaults b/examples/protocols/asio/udp_echo_server/sdkconfig.defaults
index d99552e19..ce53d73ec 100644
--- a/examples/protocols/asio/udp_echo_server/sdkconfig.defaults
+++ b/examples/protocols/asio/udp_echo_server/sdkconfig.defaults
@@ -1 +1 @@
-CONFIG_MAIN_TASK_STACK_SIZE=8192
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192