fix #596

src/application/predictor.hpp

@@ -172,10 +172,12 @@ private:
     } else {
       int loop_size = static_cast<int>(features.size());
       for (int i = 0; i < loop_size; ++i) {
+        if (features[i].first < num_feature_) {
           pred_buf[features[i].first] = 0.0f;
         }
       }
     }
+  }
 
   /*! \brief Boosting model */
   const Boosting* boosting_;