diff --git a/.github/linting.sh b/.github/linting.sh
index 65ae7b8a..25c9b386 100755
--- a/.github/linting.sh
+++ b/.github/linting.sh
@@ -5,10 +5,10 @@ set -euxo pipefail
 # shellcheck disable=SC2044
 for book in $(find ./ -maxdepth 1 -name "*.yml"); do
     if [ "$book" != "./handlers.yml" ]; then
-        ansible-lint "$book" -x braces,line-length
+        ansible-lint "$book" -x 'braces,yaml[line-length]'
     fi
 done
 # shellcheck disable=SC2044
 for dir in $(find ./roles -maxdepth 1 -type d); do
-    ansible-lint "$dir" -x braces,line-length
+    ansible-lint "$dir" -x 'braces,yaml[line-length]'
 done
diff --git a/provision-contest/ansible/roles/judgedaemon/tasks/main.yml b/provision-contest/ansible/roles/judgedaemon/tasks/main.yml
index fd0ddb02..946e9298 100644
--- a/provision-contest/ansible/roles/judgedaemon/tasks/main.yml
+++ b/provision-contest/ansible/roles/judgedaemon/tasks/main.yml
@@ -31,7 +31,7 @@
 
 - name: Pre-generate the kernel flags for ansible usage
   set_fact:
-    procline: "cgroup_enable=memory swapaccount=1 isolcpus={{ cpucore|join(',') }}"
+    procline: "cgroup_enable=memory swapaccount=1 isolcpus={{ cpucore | join(',') }}"
 
 - name: add cgroup kernel parameters
   lineinfile: