diff --git a/paddle/fluid/inference/api/paddle_inference_api.h b/paddle/fluid/inference/api/paddle_inference_api.h
index 984358b2bd90daf768cea0a6e36b5805d81050d6..77b04bb6f5df24142837773ef4e54b2251630963 100644
--- a/paddle/fluid/inference/api/paddle_inference_api.h
+++ b/paddle/fluid/inference/api/paddle_inference_api.h
@@ -216,7 +216,7 @@ struct AnalysisConfig : public NativeConfig {
   bool enable_ir_optim = true;
   // Manually determine the IR passes to run.
   IrPassMode ir_mode{IrPassMode::kExclude};
-  std::vector<std::string> ir_passes;
+  std::vector<std::string> ir_passes{"embedding_fc_lstm_fuse_pass"};
 
   // NOTE this is just for internal development, please not use it.
   bool _use_mkldnn{false};
diff --git a/paddle/fluid/inference/tests/api/analyzer_text_classification_tester.cc b/paddle/fluid/inference/tests/api/analyzer_text_classification_tester.cc
index 340ef152f0b1a15a451f840b36ae845ef4984740..ca19475bda372398d425b0fa6f9a732cd79a8166 100644
--- a/paddle/fluid/inference/tests/api/analyzer_text_classification_tester.cc
+++ b/paddle/fluid/inference/tests/api/analyzer_text_classification_tester.cc
@@ -104,5 +104,18 @@ TEST(Analyzer_Text_Classification, compare) {
   CompareNativeAndAnalysis(cfg, input_slots_all);
 }
 
+TEST(Analyzer_Text_Classification, compare_against_embedding_fc_lstm_fused) {
+  AnalysisConfig cfg;
+  SetConfig(&cfg);
+  // Enable embedding_fc_lstm_fuse_pass (disabled by default)
+  auto it = std::find(cfg.ir_passes.begin(), cfg.ir_passes.end(),
+                      "embedding_fc_lstm_fuse_pass");
+  if (it != cfg.ir_passes.end()) cfg.ir_passes.erase(it);
+
+  std::vector<std::vector<PaddleTensor>> input_slots_all;
+  SetInput(&input_slots_all);
+  CompareNativeAndAnalysis(cfg, input_slots_all);
+}
+
 }  // namespace inference
 }  // namespace paddle