diff --git a/components/lib/confirmdialog/BaseConfirmDialog.vue b/components/lib/confirmdialog/BaseConfirmDialog.vue
index ef438059c..0d82e1a8a 100644
--- a/components/lib/confirmdialog/BaseConfirmDialog.vue
+++ b/components/lib/confirmdialog/BaseConfirmDialog.vue
@@ -5,8 +5,8 @@ const classes = {
     root: 'p-confirm-dialog',
     icon: ({ instance }) => ['p-confirm-dialog-icon', instance.confirmation ? instance.confirmation.icon : null],
     message: 'p-confirm-dialog-message',
-    rejectButton: ({ instance }) => ['p-confirm-dialog-reject', instance.confirmation ? instance.confirmation.rejectClass || 'p-button-text' : null],
-    acceptButton: ({ instance }) => ['p-confirm-dialog-accept', instance.confirmation ? instance.confirmation.acceptClass : null]
+    rejectButton: ({ instance }) => ['p-confirm-dialog-reject', instance.confirmation && !instance.confirmation.rejectClass ? 'p-button-text' : null],
+    acceptButton: 'p-confirm-dialog-accept'
 };
 
 export default {
diff --git a/components/lib/confirmdialog/ConfirmDialog.vue b/components/lib/confirmdialog/ConfirmDialog.vue
index d00ce6d02..951101edc 100644
--- a/components/lib/confirmdialog/ConfirmDialog.vue
+++ b/components/lib/confirmdialog/ConfirmDialog.vue
@@ -23,14 +23,14 @@
         </template>
         <component v-else :is="$slots.message" :message="confirmation"></component>
         <template #footer>
-            <CDButton :label="rejectLabel" :class="cx('rejectButton')" @click="reject()" :autofocus="autoFocusReject" :unstyled="unstyled" :pt="ptm('rejectButton')" data-pc-name="rejectbutton">
+            <CDButton :label="rejectLabel" :class="[cx('rejectButton'), confirmation.rejectClass]" @click="reject()" :autofocus="autoFocusReject" :unstyled="unstyled" :pt="ptm('rejectButton')" data-pc-name="rejectbutton">
                 <template v-if="rejectIcon || $slots.rejecticon" #icon="iconProps">
                     <slot name="rejecticon">
                         <span :class="[rejectIcon, iconProps.class]" v-bind="ptm('rejectButton')['icon']" data-pc-name="rejectbuttonicon" />
                     </slot>
                 </template>
             </CDButton>
-            <CDButton :label="acceptLabel" :class="cx('acceptButton')" @click="accept()" :autofocus="autoFocusAccept" :unstyled="unstyled" :pt="ptm('acceptButton')" data-pc-name="acceptbutton">
+            <CDButton :label="acceptLabel" :class="[cx('acceptButton'), confirmation.acceptClass]" @click="accept()" :autofocus="autoFocusAccept" :unstyled="unstyled" :pt="ptm('acceptButton')" data-pc-name="acceptbutton">
                 <template v-if="acceptIcon || $slots.accepticon" #icon="iconProps">
                     <slot name="accepticon">
                         <span :class="[acceptIcon, iconProps.class]" v-bind="ptm('acceptButton')['icon']" data-pc-name="acceptbuttonicon" />