diff --git a/examples/espidf-hello-world/platformio.ini b/examples/espidf-hello-world/platformio.ini
index 8347b1654..44102cc88 100644
--- a/examples/espidf-hello-world/platformio.ini
+++ b/examples/espidf-hello-world/platformio.ini
@@ -23,3 +23,5 @@ board = esp32-c3-devkitm-1
 
 [env:esp32-c6-devkitc-1]
 board = esp32-c6-devkitc-1
+board_build.cmake_extra_args = 
+    -DSDKCONFIG_DEFAULTS="sdkconfig.defaults.esp32c6"
diff --git a/examples/espidf-hello-world/sdkconfig.defaults.esp32c6 b/examples/espidf-hello-world/sdkconfig.defaults.esp32c6
new file mode 100644
index 000000000..6c73965bc
--- /dev/null
+++ b/examples/espidf-hello-world/sdkconfig.defaults.esp32c6
@@ -0,0 +1,2 @@
+CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE="8MB"