diff --git a/Dockerfile b/Dockerfile
index 27bd4b5b7d0008ff7f4f5a8b83138c9c04052318..898e4866a7d59bdc843a6ca2d3065410b07fd79f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,9 +23,9 @@ USER ${NB_USER}
 #   export PATH=$PATH:/home/work/hslu-deep-learning/notebooks/Block_5/Seleniumtests/.
 
 RUN \ 
-  wget https://github.com/mozilla/geckodriver/releases/download/v0.23.0/geckodriver-v0.23.0-linux64.tar.gz /
-  sudo sh -c 'tar -x geckodriver -zf geckodriver-v0.23.0-linux64.tar.gz -O > /usr/bin/geckodriver' /
-  sudo chmod +x /usr/bin/geckodriver /
+  wget https://github.com/mozilla/geckodriver/releases/download/v0.23.0/geckodriver-v0.23.0-linux64.tar.gz \
+  sh -c 'tar -x geckodriver -zf geckodriver-v0.23.0-linux64.tar.gz -O > /usr/bin/geckodriver' \
+  chmod +x /usr/bin/geckodriver \
   rm geckodriver-v0.23.0-linux64.tar.gz