diff --git a/tests/kernel/threads_scheduling/schedule_api/src/test_sched.h b/tests/kernel/threads_scheduling/schedule_api/src/test_sched.h
index f9f7480f196..a03b33a7137 100644
--- a/tests/kernel/threads_scheduling/schedule_api/src/test_sched.h
+++ b/tests/kernel/threads_scheduling/schedule_api/src/test_sched.h
@@ -20,7 +20,11 @@
 #include <zephyr.h>
 #include <ztest.h>
 
+#if defined(CONFIG_RISCV32)
+#define STACK_SIZE 512
+#else
 #define STACK_SIZE 256
+#endif
 
 struct thread_data {
 	k_tid_t tid;