diff --git a/yolov8/yolov8_det.cpp b/yolov8/yolov8_det.cpp
index 0c327a6..21e6f25 100644
--- a/yolov8/yolov8_det.cpp
+++ b/yolov8/yolov8_det.cpp
@@ -28,9 +28,9 @@ void serialize_engine(std::string &wts_name, std::string &engine_name, std::stri
     }
     p.write(reinterpret_cast<const char *>(serialized_engine->data()), serialized_engine->size());
 
-    delete builder;
-    delete config;
     delete serialized_engine;
+    delete config;
+    delete builder;
 }
 
 
diff --git a/yolov8/yolov8_seg.cpp b/yolov8/yolov8_seg.cpp
index 143d532..8ba7142 100644
--- a/yolov8/yolov8_seg.cpp
+++ b/yolov8/yolov8_seg.cpp
@@ -75,9 +75,9 @@ void serialize_engine(std::string &wts_name, std::string &engine_name, std::stri
     }
     p.write(reinterpret_cast<const char *>(serialized_engine->data()), serialized_engine->size());
 
-    delete builder;
-    delete config;
     delete serialized_engine;
+    delete config;
+    delete builder;
 }
 
 void deserialize_engine(std::string &engine_name, IRuntime **runtime, ICudaEngine **engine, IExecutionContext **context)