diff --git a/hack/gen-repository-iso/dockerfile.centos7 b/hack/gen-repository-iso/dockerfile.centos7
index c8a0d0ad..e0ed0cfc 100644
--- a/hack/gen-repository-iso/dockerfile.centos7
+++ b/hack/gen-repository-iso/dockerfile.centos7
@@ -12,7 +12,7 @@ RUN yum install -q -y ${BUILD_TOOLS} \
 WORKDIR package
 COPY packages.yaml .
 COPY --from=mikefarah/yq:4.11.1 /usr/bin/yq /usr/bin/yq
-RUN yq eval ".common[],.rpms[],.${OS}[],.${OS}${OS_VERSION}" packages.yaml > packages.list
+RUN yq eval ".common[],.rpms[],.${OS}[],.${OS}${OS_VERSION}[]" packages.yaml > packages.list
 
 RUN sort -u packages.list | xargs repotrack -p ${DIR} \
     && createrepo -d ${DIR} \