diff --git a/api-generator/components/slider.js b/api-generator/components/slider.js
index 519aa2ad5..f6727378e 100644
--- a/api-generator/components/slider.js
+++ b/api-generator/components/slider.js
@@ -48,13 +48,13 @@ const SliderProps = [
         description: "Index of the element in tabbing order."
     },
     {
-        name: "ariaLabelledBy",
+        name: "aria-labelledby",
         type: "string",
         default: "null",
         description: "Establishes relationships between the component and label(s) where its value should be one or more element IDs."
     },
     {
-        name: "ariaLabel",
+        name: "aria-label",
         type: "string",
         default: "null",
         description: "Used to define a string that labels the element."
diff --git a/src/components/slider/Slider.d.ts b/src/components/slider/Slider.d.ts
index 78a7c47c5..99eca9219 100755
--- a/src/components/slider/Slider.d.ts
+++ b/src/components/slider/Slider.d.ts
@@ -55,7 +55,7 @@ export interface SliderProps {
     /**
      * Establishes relationships between the component and label(s) where its value should be one or more element IDs.
      */
-    ariaLabelledBy?: string | undefined;
+    ariaLabelledby?: string | undefined;
     /**
      * Used to define a string that labels the element.
      */
diff --git a/src/components/slider/Slider.vue b/src/components/slider/Slider.vue
index 86b7d19d7..aa76d20c4 100755
--- a/src/components/slider/Slider.vue
+++ b/src/components/slider/Slider.vue
@@ -2,11 +2,11 @@
     <div :class="containerClass" @click="onBarClick">
         <span class="p-slider-range" :style="rangeStyle"></span>
         <span v-if="!range" class="p-slider-handle" :style="handleStyle" @touchstart="onDragStart($event)" @touchmove="onDrag($event)" @touchend="onDragEnd($event)" @mousedown="onMouseDown($event)" @keydown="onKeyDown($event)" :tabindex="tabindex"
-            role="slider" :aria-valuemin="min" :aria-valuenow="modelValue" :aria-valuemax="max" :aria-labelledby="ariaLabelledBy" :aria-label="ariaLabel" :aria-orientation="orientation"></span>
+            role="slider" :aria-valuemin="min" :aria-valuenow="modelValue" :aria-valuemax="max" :aria-labelledby="ariaLabelledby" :aria-label="ariaLabel" :aria-orientation="orientation"></span>
         <span v-if="range" class="p-slider-handle" :style="rangeStartHandleStyle" @touchstart="onDragStart($event, 0)" @touchmove="onDrag($event)" @touchend="onDragEnd($event)" @mousedown="onMouseDown($event, 0)" @keydown="onKeyDown($event)" :tabindex="tabindex"
-            role="slider" :aria-valuemin="min" :aria-valuenow="modelValue ? modelValue[0] : null" :aria-valuemax="max" :aria-labelledby="ariaLabelledBy" :aria-label="ariaLabel" :aria-orientation="orientation"></span>
+            role="slider" :aria-valuemin="min" :aria-valuenow="modelValue ? modelValue[0] : null" :aria-valuemax="max" :aria-labelledby="ariaLabelledby" :aria-label="ariaLabel" :aria-orientation="orientation"></span>
         <span v-if="range" class="p-slider-handle" :style="rangeEndHandleStyle" @touchstart="onDragStart($event, 1)" @touchmove="onDrag($event)" @touchend="onDragEnd($event)" @mousedown="onMouseDown($event, 1)" @keydown="onKeyDown($event, 1)" :tabindex="tabindex"
-            role="slider" :aria-valuemin="min" :aria-valuenow="modelValue ? modelValue[1] : null" :aria-valuemax="max" :aria-labelledby="ariaLabelledBy" :aria-label="ariaLabel" :aria-orientation="orientation"></span>
+            role="slider" :aria-valuemin="min" :aria-valuenow="modelValue ? modelValue[1] : null" :aria-valuemax="max" :aria-labelledby="ariaLabelledby" :aria-label="ariaLabel" :aria-orientation="orientation"></span>
     </div>
 </template>
 
@@ -44,13 +44,13 @@ export default {
         },
         tabindex: {
             type: Number,
-            default: null
+            default: 0
         },
-        ariaLabelledBy: {
+        'aria-labelledby': {
             type: String,
 			default: null
         },
-        ariaLabel: {
+        'aria-label': {
             type: String,
             default: null
         }
diff --git a/src/views/slider/SliderDoc.vue b/src/views/slider/SliderDoc.vue
index 8635c7e14..48f5c2cff 100755
--- a/src/views/slider/SliderDoc.vue
+++ b/src/views/slider/SliderDoc.vue
@@ -120,18 +120,6 @@ export default {
                         <td>number</td>
                         <td>null</td>
                         <td>Index of the element in tabbing order.</td>
-                    </tr>
-                    <tr>
-                        <td>ariaLabelledBy</td>
-                        <td>string</td>
-                        <td>null</td>
-                        <td>Establishes relationships between the component and label(s) where its value should be one or more element IDs.</td>
-                    </tr>
-                    <tr>
-                        <td>ariaLabel</td>
-                        <td>string</td>
-                        <td>null</td>
-                        <td>Used to define a string that labels the element.</td>
                     </tr>
 				</tbody>
 			</table>