diff --git a/src/KeyConnector/Dockerfile b/src/KeyConnector/Dockerfile
index cb9aeba..9ec4d9e 100644
--- a/src/KeyConnector/Dockerfile
+++ b/src/KeyConnector/Dockerfile
@@ -10,8 +10,8 @@ RUN apt-get update -y \
     && rm -rf /var/lib/apt/lists/*
 
 # Install YubiHSM2 SDK
-RUN curl -O https://developers.yubico.com/YubiHSM2/Releases/yubihsm2-sdk-2021-08-debian10-amd64.tar.gz
-RUN tar -xzf yubihsm2-sdk-*.tar.gz \
+RUN curl -O https://developers.yubico.com/YubiHSM2/Releases/yubihsm2-sdk-2021-08-debian10-amd64.tar.gz \
+    && tar -xzf yubihsm2-sdk-*.tar.gz \
     && rm yubihsm2-sdk-*.tar.gz \
     && dpkg -i yubihsm2-sdk/libyubihsm-http1_*_amd64.deb \
     && dpkg -i yubihsm2-sdk/libyubihsm1_*_amd64.deb \