diff --git a/source/libs/monitorfw/src/taos_metric_sample.c b/source/libs/monitorfw/src/taos_metric_sample.c
index c6c3844ab3..62b058d846 100644
--- a/source/libs/monitorfw/src/taos_metric_sample.c
+++ b/source/libs/monitorfw/src/taos_metric_sample.c
@@ -130,9 +130,9 @@ int taos_metric_sample_exchange(taos_metric_sample_t *self, double r_value, doub
   }
 
 #ifdef DOUBLE_ATOMIC
-  /*_Atomic*/ double new = ATOMIC_VAR_INIT(r_value);
+  _Atomic double new = ATOMIC_VAR_INIT(r_value);
   for (;;) {
-    _Atomic double old = atomic_load(&self->r_value);
+    /*_Atomic*/ double old = atomic_load(&self->r_value);
     *old_value = old;
     if (atomic_compare_exchange_weak(&self->r_value, &old, new)) {
       return 0;