diff --git a/include/rthw.h b/include/rthw.h
index ca2187ebf33af8a73a1072ed04c6a85de5452b05..6f7bbd66508329f0db0d8b5896c23fe327ce32be 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -194,11 +194,11 @@ void rt_hw_secondary_cpu_up(void);
 void rt_hw_secondary_cpu_idle_exec(void);
 #else
 
-#define RT_DEFINE_SPINLOCK(x)
-#define RT_DECLARE_SPINLOCK(x)    rt_ubase_t x
+#define RT_DEFINE_SPINLOCK(x)    rt_ubase_t x
+#define RT_DECLARE_SPINLOCK(x)
 
-#define rt_hw_spin_lock(lock)     *(lock) = rt_hw_interrupt_disable()
-#define rt_hw_spin_unlock(lock)   rt_hw_interrupt_enable(*(lock))
+#define rt_hw_spin_lock(lock)     lock = rt_hw_interrupt_disable()
+#define rt_hw_spin_unlock(lock)   rt_hw_interrupt_enable(lock)
 
 typedef int rt_spinlock_t;