diff --git a/paddle/fluid/inference/tensorrt/convert/fused_lookup_tables_op.cc b/paddle/fluid/inference/tensorrt/convert/fused_lookup_tables_op.cc
index 80e89185c2d2fa96e028bec16ab57543506b5b5b..c8676b6c191e45779dee85ad0f2ae40ee3f6dadd 100644
--- a/paddle/fluid/inference/tensorrt/convert/fused_lookup_tables_op.cc
+++ b/paddle/fluid/inference/tensorrt/convert/fused_lookup_tables_op.cc
@@ -70,11 +70,11 @@ class FusedLookupTablesOpConverter : public OpConverter {
     auto w_dims = w_tensor->dims();
     weight = engine_->GetTrtWeight(w_name, *w_tensor);
     auto weight_size = phi::product(w_dims);
-    bool output_fp16;
+    int output_fp16;
     if (engine_->precision() == AnalysisConfig::Precision::kFloat32) {
-      output_fp16 = false;
+      output_fp16 = 0;
     } else {
-      output_fp16 = true;
+      output_fp16 = 1;
     }
 
     int32_t weight_width = static_cast<int32_t>(w_dims[1]);