diff --git a/Dockerfile b/Dockerfile
index 9d81084..9245311 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -86,9 +86,9 @@ RUN apt-get -q update \
   && rm -rf /var/lib/apt/lists/{apt,dpkg,cache,log}
 
 # Fetch and install the signing key for OSGC's Agama repository
-RUN wget --no-proxy --quiet -O /tmp/aptly.key http://osgc.jf.intel.com/packages/agama/ubuntu/aptly_repo_signing.key \
-  && APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=DontWarn apt-key add /tmp/aptly.key \
-  && rm /tmp/aptly.key
+RUN wget --no-proxy --quiet -O /tmp/repositories.key http://osgc.jf.intel.com/packages/agama/ubuntu/aptly_repo_signing.key \
+  && APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=DontWarn apt-key add /tmp/repositories.key \
+  && rm /tmp/repositories.key
 
 # Add internal Agama repository
 RUN apt-add-repository "deb [arch=amd64] http://osgc.jf.intel.com/packages/agama/ubuntu disco main"