diff --git a/docker/torch1.12.1-cuda11.3.dockerfile b/docker/torch1.12.1-cuda11.3.dockerfile
index af1a59da0..deb5715cc 100644
--- a/docker/torch1.12.1-cuda11.3.dockerfile
+++ b/docker/torch1.12.1-cuda11.3.dockerfile
@@ -44,7 +44,6 @@ RUN pip install --no-cache-dir \
       k2==${K2_VERSION} -f https://k2-fsa.github.io/k2/cuda.html \
       git+https://github.com/lhotse-speech/lhotse \
       kaldifeat==${KALDIFEAT_VERSION} -f https://csukuangfj.github.io/kaldifeat/cuda.html \
-      \
       kaldi_native_io \
       kaldialign \
       kaldifst \