diff --git a/components/esp32/cpu_util.c b/components/esp32/cpu_util.c
index e3b4ef8f1..ecfcab4ba 100644
--- a/components/esp32/cpu_util.c
+++ b/components/esp32/cpu_util.c
@@ -16,6 +16,7 @@
 #include "soc/cpu.h"
 #include "soc/soc.h"
 #include "soc/rtc_cntl_reg.h"
+#include "sdkconfig.h"
 
 void IRAM_ATTR esp_cpu_stall(int cpu_id)
 {