diff --git a/pytorch_lightning/root_module/model_saving.py b/pytorch_lightning/root_module/model_saving.py
index 818c1947..1e47e3e7 100644
--- a/pytorch_lightning/root_module/model_saving.py
+++ b/pytorch_lightning/root_module/model_saving.py
@@ -144,7 +144,7 @@ class TrainerIO(object):
         filepath = '{}/hpc_ckpt_{}.ckpt'.format(folderpath, ckpt_number)
 
         # give model a chance to do something on hpc_save
-        self.on_hpc_save()
+        self.model.on_hpc_save()
 
         # request what to save from the model
         checkpoint_dict = self.dump_checkpoint()
@@ -168,7 +168,7 @@ class TrainerIO(object):
         model.load_model_specific(checkpoint)
 
         # call model hook
-        self.on_hpc_load()
+        self.model.on_hpc_load()
 
     def max_ckpt_in_folder(self, path):
         files = os.listdir(path)