diff --git a/components/newlib/test/test_shared_stack_printf.c b/components/newlib/test/test_shared_stack_printf.c
index c072cac732..6202b6e363 100644
--- a/components/newlib/test/test_shared_stack_printf.c
+++ b/components/newlib/test/test_shared_stack_printf.c
@@ -4,30 +4,29 @@
 #include "freertos/task.h"
 #include "freertos/semphr.h"
 #include "sdkconfig.h"
-#include "soc/rtc.h"
-#include "esp_system.h"
 #include "test_utils.h"
 #include "esp_expression_with_stack.h"
-#include <stdio.h>
-
-static portSTACK_TYPE shared_stack[8192];
-static portSTACK_TYPE *ext_stack_top = (portSTACK_TYPE *)&shared_stack[0] + (sizeof(shared_stack) / sizeof(portSTACK_TYPE));
 
 //makes sure this is not the task stack...
-void check_stack(portSTACK_TYPE *sp) 
+void check_stack(portSTACK_TYPE *sp, portSTACK_TYPE *base_sp) 
 {
     StaticTask_t *hacked_task = (StaticTask_t *)xTaskGetCurrentTaskHandle();
     portSTACK_TYPE *task_sp = (portSTACK_TYPE *)hacked_task->pxDummy1;
-    TEST_ASSERT((intptr_t)sp <= (intptr_t)ext_stack_top);
-    TEST_ASSERT((intptr_t)sp >= (intptr_t)&shared_stack);
-
-    TEST_ASSERT((intptr_t)task_sp < (intptr_t)&shared_stack ||
-     (intptr_t)task_sp >= (intptr_t)&ext_stack_top);
+    TEST_ASSERT((intptr_t)task_sp < (intptr_t)base_sp ||
+     (intptr_t)task_sp >= (intptr_t)sp);
 }
 
 TEST_CASE("test printf using shared buffer stack", "[newlib]")
 {
+    portSTACK_TYPE *shared_stack = malloc(8192 * sizeof(portSTACK_TYPE));
+    portSTACK_TYPE *ext_stack_top = (portSTACK_TYPE *)&shared_stack[0] + 
+                                    ((sizeof(8192 * sizeof(portSTACK_TYPE))) / 
+                                        sizeof(portSTACK_TYPE));
+
+    TEST_ASSERT(shared_stack != NULL);
+
     SemaphoreHandle_t printf_lock = xSemaphoreCreateMutex();
     EXECUTE_EXPRESSION_WITH_STACK(printf_lock, ext_stack_top, printf("Executing this from external stack! \n"));
-    EXECUTE_EXPRESSION_WITH_STACK(printf_lock, ext_stack_top, check_stack(ext_stack_top));    
+    EXECUTE_EXPRESSION_WITH_STACK(printf_lock, ext_stack_top, check_stack(ext_stack_top, shared_stack));    
+    free(shared_stack);
 }