diff --git a/Dockerfile b/Dockerfile
index f95395a..81af352 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM python:3.8.5
 
-RUN apt-git install emacs git && \
+RUN apt-get install emacs git && \
     pip install 'Nikola[extras]' && \
     mkdir -p ~/.emacs.d/.local/straight/build && \
     git clone https://github.com/hniksic/emacs-htmlize.git ~/.emacs.d/.local/straight/build/htmlize