diff --git a/automation/Dockerfile b/automation/Dockerfile
index 1adcbb4f..94bfbf92 100644
--- a/automation/Dockerfile
+++ b/automation/Dockerfile
@@ -6,9 +6,9 @@ RUN apt-get --yes upgrade
 ARG DEBIAN_FRONTEND=noninteractive
 RUN apt-get --yes install cmake libgpiod-dev xz-utils nano curl git gcc g++ lcov valgrind libgps-dev
 
-ARG XIPHOS_SDK_NAME=sdk-xiphos-eive-v0.2.0.tar
+ARG XIPHOS_SDK_NAME=sdk-xiphos-eive-v0.2.0
 # Install Xiphos ARK SDK, which also installs Q7S root filesystem, required for cross-compilation.
-RUN curl https://buggy.irs.uni-stuttgart.de/eive/tools/${XIPHOS_SDK_NAME} | tar -x && \
+RUN curl https://buggy.irs.uni-stuttgart.de/eive/tools/${XIPHOS_SDK_NAME}.tar | tar -x && \
     cd ${XIPHOS_SDK_NAME} && \
     ./ark-glibc-x86_64-eive-image-cortexa9hf-neon-toolchain-nodistro.0.sh -y