diff --git a/components/newlib/test/test_time.c b/components/newlib/test/test_time.c
index d833de37d8..4a2966d209 100644
--- a/components/newlib/test/test_time.c
+++ b/components/newlib/test/test_time.c
@@ -35,6 +35,7 @@
 #elif CONFIG_IDF_TARGET_ESP32H2
 #include "esp32h2/rtc.h"
 #elif CONFIG_IDF_TARGET_ESP32C2
+#include "esp32c2/rtc.h"
 #endif
 
 #if portNUM_PROCESSORS == 2