diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 51f1eff..aeb2af6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,7 +50,7 @@ jobs:
           NDNPH_VERSION: develop
       - name: compile examples
         run: |
-          for B in esp8266:esp8266:nodemcuv2 esp32:esp32:esp32wrover adafruit:nrf52:feather52832; do
+          for B in esp8266:esp8266:nodemcuv2 esp32:esp32:esp32wrover esp32:esp32:esp32c3 adafruit:nrf52:feather52832; do
             ARCH=${B#*:}; ARCH=${ARCH%:*}
             for E in $(find ./examples -name '*.ino' -printf '%h\n'); do
               if [[ -f $E/.${ARCH}.test.skip ]]; then
diff --git a/src/port/choose.h b/src/port/choose.h
index 1548e36..c6a429f 100644
--- a/src/port/choose.h
+++ b/src/port/choose.h
@@ -16,10 +16,16 @@
 
 #elif defined(ARDUINO_ARCH_ESP32)
 
+#include <sdkconfig.h>
+
 #define NDNPH_HAVE_MBED
 
+#ifdef CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
+#define NDNPH_PORT_QUEUE_SIMPLE
+#else
 #define NDNPH_PORT_QUEUE_CUSTOM
 #define ESP8266NDN_PORT_QUEUE_FREERTOS
+#endif // CONFIG_ESP_SYSTEM_SINGLE_CORE_MODE
 
 #define NDNPH_PORT_UNIXTIME_SYSTIME
 #define NDNPH_PORT_UNIXTIME_SYSTIME_CANSET