diff --git a/core/shared/platform/common/posix/posix_thread.c b/core/shared/platform/common/posix/posix_thread.c
index d35a7773..5ec957e5 100644
--- a/core/shared/platform/common/posix/posix_thread.c
+++ b/core/shared/platform/common/posix/posix_thread.c
@@ -504,6 +504,8 @@ static os_thread_local_attribute bool thread_signal_inited = false;
 #if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
 /* The signal alternate stack base addr */
 static os_thread_local_attribute uint8 *sigalt_stack_base_addr;
+/* The previous signal alternate stack */
+static os_thread_local_attribute stack_t prev_sigalt_stack;
 
 /*
  * ASAN is not designed to work with custom stack unwind or other low-level
@@ -683,7 +685,9 @@ os_thread_signal_init(os_signal_handler handler)
     sigalt_stack_info.ss_sp = map_addr;
     sigalt_stack_info.ss_size = map_size;
     sigalt_stack_info.ss_flags = 0;
-    if (sigaltstack(&sigalt_stack_info, NULL) != 0) {
+    memset(&prev_sigalt_stack, 0, sizeof(stack_t));
+    /* Set signal alternate stack and save the previous one */
+    if (sigaltstack(&sigalt_stack_info, &prev_sigalt_stack) != 0) {
         os_printf("Failed to init signal alternate stack\n");
         goto fail2;
     }
@@ -729,19 +733,12 @@ fail1:
 void
 os_thread_signal_destroy()
 {
-#if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
-    stack_t sigalt_stack_info;
-#endif
-
     if (!thread_signal_inited)
         return;
 
 #if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
-    /* Disable signal alternate stack */
-    memset(&sigalt_stack_info, 0, sizeof(stack_t));
-    sigalt_stack_info.ss_flags = SS_DISABLE;
-    sigalt_stack_info.ss_size = SIG_ALT_STACK_SIZE;
-    sigaltstack(&sigalt_stack_info, NULL);
+    /* Restore the previous signal alternate stack */
+    sigaltstack(&prev_sigalt_stack, NULL);
 
     os_munmap(sigalt_stack_base_addr, SIG_ALT_STACK_SIZE);