diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e8f3c6093a9..477639fa8d7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -34,7 +34,7 @@ repos:
       - id: check-merge-conflict
       - id: check-symlinks
       - id: check-vcs-permalinks
-      #- id: check-yaml
+      - id: check-yaml
       - id: destroyed-symlinks
       - id: detect-aws-credentials
         args: [--allow-missing-credentials]
diff --git a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
index 6819723b3f0..59cb1fccb1c 100644
--- a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
+++ b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node-add.yml
@@ -21,7 +21,7 @@ users:
   - name: cloud
     sudo: ALL=(ALL) NOPASSWD:ALL
     shell: /bin/bash
-    ssh_authorized_keys:
+    ssh_authorized_keys: |
       {{ k8s.ssh.pub.key }}
 
 write_files:
diff --git a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
index 90be8957d44..a7dd6f2035c 100644
--- a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
+++ b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-control-node.yml
@@ -21,7 +21,7 @@ users:
   - name: cloud
     sudo: ALL=(ALL) NOPASSWD:ALL
     shell: /bin/bash
-    ssh_authorized_keys:
+    ssh_authorized_keys: |
       {{ k8s.ssh.pub.key }}
 
 write_files:
diff --git a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml
index ac80e8576ff..7e0214b711f 100644
--- a/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml
+++ b/plugins/integrations/kubernetes-service/src/main/resources/conf/k8s-node.yml
@@ -21,7 +21,7 @@ users:
   - name: cloud
     sudo: ALL=(ALL) NOPASSWD:ALL
     shell: /bin/bash
-    ssh_authorized_keys:
+    ssh_authorized_keys: |
       {{ k8s.ssh.pub.key }}
 
 write_files: