diff --git a/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr.c b/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr.c
index dbdbe9027b..01c7b862b2 100644
--- a/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr.c
+++ b/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr.c
@@ -130,6 +130,8 @@ void IRAM_ATTR esp_ipc_isr_release_other_cpu(void)
         const uint32_t cpu_id = xPortGetCoreID();
         if (--s_count_of_nested_calls[cpu_id] == 0) {
             esp_ipc_isr_finish_cmd = 1;
+            // Make sure end flag is cleared and esp_ipc_isr_waiting_for_finish_cmd is done.
+            while (!esp_ipc_isr_end_fl) {};
             IPC_ISR_EXIT_CRITICAL();
             portCLEAR_INTERRUPT_MASK_FROM_ISR(s_stored_interrupt_level);
         } else if (s_count_of_nested_calls[cpu_id] < 0) {
diff --git a/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_handler.S b/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_handler.S
index 0fb4ae676a..20638a6895 100644
--- a/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_handler.S
+++ b/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_handler.S
@@ -96,6 +96,7 @@ esp_ipc_isr_handler:
 
     /* set the start flag */
     movi    a0, esp_ipc_isr_start_fl
+    memw
     s32i    a0, a0, 0
 
     /* Call the esp_ipc_function(void* arg) */
@@ -113,6 +114,7 @@ esp_ipc_isr_handler:
 
     /* set the end flag */
     movi    a0, esp_ipc_isr_end_fl
+    memw
     s32i    a0, a0, 0
 
     /* restore a0 */
diff --git a/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_routines.S b/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_routines.S
index 01ddf8b528..e947c3ed2f 100644
--- a/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_routines.S
+++ b/components/esp_ipc/src/esp_ipc_isr/esp_ipc_isr_routines.S
@@ -23,6 +23,7 @@
 esp_ipc_isr_waiting_for_finish_cmd:
     /* waiting for the finish command */
 .check_finish_cmd:
+    memw
     l32i    a3, a2, 0
     beqz    a3, .check_finish_cmd
     ret