diff --git a/components/esp_wifi/src/phy_override.c b/components/esp_wifi/src/phy_override.c
index 9a2692737f..ce7c0f8512 100644
--- a/components/esp_wifi/src/phy_override.c
+++ b/components/esp_wifi/src/phy_override.c
@@ -5,6 +5,7 @@
  */
 
 #include <stdbool.h>
+#include "esp_attr.h"
 #include "driver/adc.h"
 
 /*
@@ -41,12 +42,12 @@ void set_xpd_sar(bool en)
 extern void regi2c_enter_critical(void);
 extern void regi2c_exit_critical(void);
 
-void phy_i2c_enter_critical(void)
+IRAM_ATTR void phy_i2c_enter_critical(void)
 {
     regi2c_enter_critical();
 }
 
-void phy_i2c_exit_critical(void)
+IRAM_ATTR void phy_i2c_exit_critical(void)
 {
     regi2c_exit_critical();
 }