diff --git a/tests/kernel/mem_protect/stackprot/prj.conf b/tests/kernel/mem_protect/stackprot/prj.conf
index e49577e..3b06bf4 100644
--- a/tests/kernel/mem_protect/stackprot/prj.conf
+++ b/tests/kernel/mem_protect/stackprot/prj.conf
@@ -2,6 +2,4 @@
 CONFIG_STACK_CANARIES=y
 CONFIG_ENTROPY_GENERATOR=y
 CONFIG_TEST_RANDOM_GENERATOR=y
-CONFIG_MAIN_THREAD_PRIORITY=7
-CONFIG_MAIN_STACK_SIZE=640
 CONFIG_TEST_USERSPACE=y
diff --git a/tests/kernel/mem_protect/stackprot/src/main.c b/tests/kernel/mem_protect/stackprot/src/main.c
index 1be975b..54385ad 100644
--- a/tests/kernel/mem_protect/stackprot/src/main.c
+++ b/tests/kernel/mem_protect/stackprot/src/main.c
@@ -11,7 +11,6 @@
 
 
 #define STACKSIZE       (2048 + CONFIG_TEST_EXTRA_STACKSIZE)
-#define PRIORITY        5
 
 ZTEST_BMEM static int count;
 ZTEST_BMEM static int ret = TC_PASS;
@@ -113,14 +112,18 @@
 	print_loop(__func__);
 }
 
-void test_main(void)
+void test_create_alt_thread(void)
 {
 	/* Start thread */
 	k_thread_create(&alt_thread_data, alt_thread_stack_area, STACKSIZE,
 			(k_thread_entry_t)alternate_thread, NULL, NULL, NULL,
-			K_PRIO_PREEMPT(PRIORITY), K_USER, K_NO_WAIT);
+			K_PRIO_COOP(1), K_USER, K_NO_WAIT);
+}
 
+void test_main(void)
+{
 	ztest_test_suite(stackprot,
+			 ztest_unit_test(test_create_alt_thread),
 			 ztest_user_unit_test(test_stackprot));
 	ztest_run_test_suite(stackprot);
 }