diff --git a/paddle/fluid/inference/analysis/passes/memory_optimize_pass.cc b/paddle/fluid/inference/analysis/passes/memory_optimize_pass.cc
index 715316387289ccbba788aa000e175856010c4451..357c2bc4231fd0909dbec4c0600dadc7facda8c4 100644
--- a/paddle/fluid/inference/analysis/passes/memory_optimize_pass.cc
+++ b/paddle/fluid/inference/analysis/passes/memory_optimize_pass.cc
@@ -104,7 +104,8 @@ void MemoryOptimizePass::CollectVarMemorySize(
                                         "equal",
                                         "sequence_pool",
                                         "recurrent",
-                                        "lod_reset"};
+                                        "lod_reset",
+                                        "fetch"};
     for (auto* tmp : node->inputs) {
       CHECK(tmp->IsOp());
       std::string op_type = tmp->Op()->Type();