diff --git a/predictor/framework/infer.h b/predictor/framework/infer.h
index 3754a7ea828b5fcbecf7aa3c9436488174fef3da..abf0f78883ef7d666a000286aa691b7f7fcce4b2 100644
--- a/predictor/framework/infer.h
+++ b/predictor/framework/infer.h
@@ -461,7 +461,7 @@ class CloneDBReloadableInferEngine
 };
 
 template <typename FluidFamilyCore>
-class FluidInferEngine : public DBReloadableInferEngine<FluidFamilyCore> {
+class FluidInferEngine : public CloneDBReloadableInferEngine<FluidFamilyCore> {
  public:
   FluidInferEngine() {}
   ~FluidInferEngine() {}