diff --git a/src/components/datatable/HeaderCheckbox.vue b/src/components/datatable/HeaderCheckbox.vue
index fabd9b18b..c867488ea 100755
--- a/src/components/datatable/HeaderCheckbox.vue
+++ b/src/components/datatable/HeaderCheckbox.vue
@@ -1,5 +1,5 @@
 <template>
-    <div :class="['p-checkbox p-component', {'p-checkbox-focused': focused}]" @click="onClick" @keydown.space.prevent="onClick">
+    <div :class="['p-checkbox p-component', {'p-checkbox-focused': focused, 'p-disabled': $attrs.disabled}]" @click="onClick" @keydown.space.prevent="onClick">
         <div ref="box" :class="['p-checkbox-box p-component', {'p-highlight': checked, 'p-disabled': $attrs.disabled, 'p-focus': focused}]"
             role="checkbox" :aria-checked="checked" :tabindex="$attrs.disabled ? null : '0'" @focus="onFocus($event)" @blur="onBlur($event)">
             <span :class="['p-checkbox-icon', {'pi pi-check': checked}]"></span>