diff --git a/src/eynollah/training/train.py b/src/eynollah/training/train.py
index ecf70b4..73d5e0b 100644
--- a/src/eynollah/training/train.py
+++ b/src/eynollah/training/train.py
@@ -275,6 +275,9 @@ def run(_config,
     run configured experiment via sacred
     """
 
+    if continue_training:
+        assert n_epochs > index_start, "with continue_training, n_epochs must be greater than index_start"
+
     if pretraining and not os.path.isfile(RESNET50_WEIGHTS_PATH):
         _log.info("downloading RESNET50 pretrained weights to %s", RESNET50_WEIGHTS_PATH)
         download_file(RESNET50_WEIGHTS_URL, RESNET50_WEIGHTS_PATH)