diff --git a/scripts/marian-train.sh b/scripts/marian-train.sh
index 2b1d106..599aee4 100755
--- a/scripts/marian-train.sh
+++ b/scripts/marian-train.sh
@@ -42,7 +42,7 @@ target_vocab="$target_file".vocab."$bpe_merges"
 --exponential-smoothing \
 --log model/train.log \
 --vocabs "$source_vocab" "$target_vocab" \
---after_epochs "$epochs" \
+--after-epochs "$epochs" \
 
 #--vocabs model/vocab.ende.yml model/vocab.ende.yml \
 #--early-stopping 10 \