diff --git a/paddle/fluid/inference/api/api_tensorrt_subgraph_engine.cc b/paddle/fluid/inference/api/api_tensorrt_subgraph_engine.cc
index 8be444949655ed404179ca786245cbd95f55db4e..ce147eb5da77824930ed1a2eb609766b24ced598 100644
--- a/paddle/fluid/inference/api/api_tensorrt_subgraph_engine.cc
+++ b/paddle/fluid/inference/api/api_tensorrt_subgraph_engine.cc
@@ -90,7 +90,7 @@ class TensorRTSubgraphPredictor : public NativePaddlePredictor {
     // Analyze inference_program
     Argument argument;
 
-    int* minimum_subgraph_size = new int(config_.minimun_subgraph_size);
+    int* minimum_subgraph_size = new int(config_.minimum_subgraph_size);
     int* max_batch_size = new int(config_.max_batch_size);
     int* workspace_size = new int(config_.workspace_size);
     std::string* precision_mode = new std::string(config_.precision_mode);
diff --git a/paddle/fluid/inference/api/paddle_inference_api.h b/paddle/fluid/inference/api/paddle_inference_api.h
index 084da823e07e0130a1ba6f702b4a5ab849fdd43b..bacb319e24b067cdd38618128825c34f11df3b2d 100644
--- a/paddle/fluid/inference/api/paddle_inference_api.h
+++ b/paddle/fluid/inference/api/paddle_inference_api.h
@@ -155,7 +155,7 @@ struct TensorRTConfig : public NativeConfig {
   //  We set this variable to control the minimum number of nodes in the
   //  subgraph, 3 as
   //  default value.
-  int minimun_subgraph_size = 3;
+  int minimum_subgraph_size = 3;
   // Reserved configuration
   // We just support "FP32" now, "FP16" and "INT8" will be supported.
   std::string precision_mode = "FP32";