diff --git a/tests/kernel/mem_protect/userspace/src/main.c b/tests/kernel/mem_protect/userspace/src/main.c
index e1ff200bc69..f42f3e494b6 100644
--- a/tests/kernel/mem_protect/userspace/src/main.c
+++ b/tests/kernel/mem_protect/userspace/src/main.c
@@ -408,7 +408,7 @@ static void pass_noperms_object(void)
 
 __kernel struct k_thread kthread_thread;
 
-#define STACKSIZE 512
+#define STACKSIZE 1024
 K_THREAD_STACK_DEFINE(kthread_stack, STACKSIZE);
 
 void thread_body(void)