diff --git a/tasmota/support_esp.ino b/tasmota/support_esp.ino
index 8ddba729c..e5a9b40d6 100644
--- a/tasmota/support_esp.ino
+++ b/tasmota/support_esp.ino
@@ -117,6 +117,8 @@ String GetDeviceHardware(void) {
     #include "esp32/rom/rtc.h"
   #elif CONFIG_IDF_TARGET_ESP32S2  // ESP32-S2
     #include "esp32s2/rom/rtc.h"
+  #elif CONFIG_IDF_TARGET_ESP32C3  // ESP32-C3
+    #include "esp32c3/rom/rtc.h"
   #else
     #error Target CONFIG_IDF_TARGET is not supported
   #endif
@@ -242,6 +244,8 @@ extern "C" {
     #include "esp32/rom/spi_flash.h"
   #elif CONFIG_IDF_TARGET_ESP32S2   // ESP32-S2
     #include "esp32s2/rom/spi_flash.h"
+  #elif CONFIG_IDF_TARGET_ESP32C3   // ESP32-C3
+    #include "esp32c3/rom/spi_flash.h"
   #else
     #error Target CONFIG_IDF_TARGET is not supported
   #endif