diff --git a/parts/k8s/kubernetesagentresourcesvmas.t b/parts/k8s/kubernetesagentresourcesvmas.t
index 64f4c30905..0848eabf39 100644
--- a/parts/k8s/kubernetesagentresourcesvmas.t
+++ b/parts/k8s/kubernetesagentresourcesvmas.t
@@ -175,7 +175,7 @@
         },
         "osProfile": {
           "adminUsername": "[parameters('linuxAdminUsername')]",
-          "computername": "[concat(variables('{{.Name}}VMNamePrefix'), copyIndex(variables('{{.Name}}Offset')))]",
+          "computerName": "[concat(variables('{{.Name}}VMNamePrefix'), copyIndex(variables('{{.Name}}Offset')))]",
           {{GetKubernetesAgentCustomData .}}
           "linuxConfiguration": {
               "disablePasswordAuthentication": true,
diff --git a/parts/k8s/kubernetesmasterresources.t b/parts/k8s/kubernetesmasterresources.t
index 864d79f1ce..42f2374fe1 100644
--- a/parts/k8s/kubernetesmasterresources.t
+++ b/parts/k8s/kubernetesmasterresources.t
@@ -859,7 +859,7 @@
         },
         "osProfile": {
           "adminUsername": "[parameters('linuxAdminUsername')]",
-          "computername": "[concat(variables('masterVMNamePrefix'), copyIndex(variables('masterOffset')))]",
+          "computerName": "[concat(variables('masterVMNamePrefix'), copyIndex(variables('masterOffset')))]",
           {{GetKubernetesMasterCustomData .}}
           "linuxConfiguration": {
             "disablePasswordAuthentication": true,
diff --git a/parts/k8s/kuberneteswinagentresourcesvmas.t b/parts/k8s/kuberneteswinagentresourcesvmas.t
index f256314cf7..46a7bfd4c9 100644
--- a/parts/k8s/kuberneteswinagentresourcesvmas.t
+++ b/parts/k8s/kuberneteswinagentresourcesvmas.t
@@ -182,7 +182,7 @@
           ]
         },
         "osProfile": {
-          "computername": "[concat(variables('{{.Name}}VMNamePrefix'), copyIndex(variables('{{.Name}}Offset')))]",
+          "computerName": "[concat(variables('{{.Name}}VMNamePrefix'), copyIndex(variables('{{.Name}}Offset')))]",
           {{GetKubernetesWindowsAgentCustomData .}}
           "adminUsername": "[parameters('windowsAdminUsername')]",
           "adminPassword": "[parameters('windowsAdminPassword')]"