diff --git a/paddle/fluid/operators/controlflow/conditional_block_op.h b/paddle/fluid/operators/controlflow/conditional_block_op.h
index 2f8717c6c67e2db5edbae4f43e8fbdd220432b1b..67e6394d94ebfcf431f41168aa33c1794084dce7 100644
--- a/paddle/fluid/operators/controlflow/conditional_block_op.h
+++ b/paddle/fluid/operators/controlflow/conditional_block_op.h
@@ -79,8 +79,7 @@ class ConditionalOp : public framework::OperatorBase {
       platform::DeviceContextPool::Instance().Get(ips[0]->place())->Wait();
       res = cpu_tensor.data<bool>()[0];
 #endif
-    }
-    if (platform::is_npu_place(ips[0]->place())) {
+    } else if (platform::is_npu_place(ips[0]->place())) {
 #ifdef PADDLE_WITH_ASCEND_CL
       framework::LoDTensor cpu_tensor;
       framework::TensorCopy(*ips[0], platform::CPUPlace(), &cpu_tensor);