diff --git a/ports/esp32/boards/ESP32_GENERIC_C6/mpconfigboard.cmake b/ports/esp32/boards/ESP32_GENERIC_C6/mpconfigboard.cmake
index 4393130b61..3ab98e9da1 100644
--- a/ports/esp32/boards/ESP32_GENERIC_C6/mpconfigboard.cmake
+++ b/ports/esp32/boards/ESP32_GENERIC_C6/mpconfigboard.cmake
@@ -3,5 +3,6 @@ set(IDF_TARGET esp32c6)
 set(SDKCONFIG_DEFAULTS
     boards/sdkconfig.base
     ${SDKCONFIG_IDF_VERSION_SPECIFIC}
+    boards/sdkconfig.c6
     boards/sdkconfig.ble
 )
diff --git a/ports/esp32/boards/M5STACK_NANOC6/mpconfigboard.cmake b/ports/esp32/boards/M5STACK_NANOC6/mpconfigboard.cmake
index 4393130b61..3ab98e9da1 100644
--- a/ports/esp32/boards/M5STACK_NANOC6/mpconfigboard.cmake
+++ b/ports/esp32/boards/M5STACK_NANOC6/mpconfigboard.cmake
@@ -3,5 +3,6 @@ set(IDF_TARGET esp32c6)
 set(SDKCONFIG_DEFAULTS
     boards/sdkconfig.base
     ${SDKCONFIG_IDF_VERSION_SPECIFIC}
+    boards/sdkconfig.c6
     boards/sdkconfig.ble
 )
diff --git a/ports/esp32/boards/UM_TINYC6/mpconfigboard.cmake b/ports/esp32/boards/UM_TINYC6/mpconfigboard.cmake
index dab33d13f0..e2df716a16 100644
--- a/ports/esp32/boards/UM_TINYC6/mpconfigboard.cmake
+++ b/ports/esp32/boards/UM_TINYC6/mpconfigboard.cmake
@@ -3,6 +3,7 @@ set(IDF_TARGET esp32c6)
 set(SDKCONFIG_DEFAULTS
     boards/sdkconfig.base
     ${SDKCONFIG_IDF_VERSION_SPECIFIC}
+    boards/sdkconfig.c6
     boards/sdkconfig.ble
     boards/UM_TINYC6/sdkconfig.board
 )
diff --git a/ports/esp32/boards/sdkconfig.c6 b/ports/esp32/boards/sdkconfig.c6
new file mode 100644
index 0000000000..18e8b75eb4
--- /dev/null
+++ b/ports/esp32/boards/sdkconfig.c6
@@ -0,0 +1,2 @@
+# Workaround for https://github.com/espressif/esp-idf/issues/14456
+CONFIG_ESP_SYSTEM_HW_STACK_GUARD=n