diff --git a/extensions/yii/jui/SliderInput.php b/extensions/yii/jui/SliderInput.php
index 8a43eb1..20599cf 100644
--- a/extensions/yii/jui/SliderInput.php
+++ b/extensions/yii/jui/SliderInput.php
@@ -15,7 +15,7 @@ use yii\helpers\Html;
  * For example,
  *
  * ```
- * echo Slider::widget([
+ * echo SliderInput::widget([
  *     'model' => $model,
  *     'attribute' => 'amount',
  *     'clientOptions' => [
@@ -28,7 +28,7 @@ use yii\helpers\Html;
  * The following example will use the name property instead:
  *
  * ```
- * echo Slider::widget([
+ * echo SliderInput::widget([
  *     'name' => 'amount',
  *     'clientOptions' => [
  *         'min' => 1,
@@ -75,8 +75,10 @@ class SliderInput extends InputWidget
 
 		if ($this->hasModel()) {
 			echo Html::activeHiddenInput($this->model, $this->attribute, $this->options);
+			$this->clientOptions['value'] = $this->model{$this->attribute};
 		} else {
 			echo Html::hiddenInput($this->name, $this->value, $this->options);
+			$this->clientOptions['value'] = $this->value;
 		}
 
 		if (!isset($this->clientEvents['slide'])) {
@@ -86,6 +88,5 @@ class SliderInput extends InputWidget
 		}
 
 		$this->registerWidget('slider', SliderAsset::className(), $this->containerOptions['id']);
-		$this->getView()->registerJs('$("#' . $this->options['id'] . '").val($("#' . $this->id . '").slider("value"));');
 	}
 }
diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 287c5da..ba8eab2 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -16,6 +16,7 @@ Yii Framework 2 Change Log
 - Bug #1591: StringValidator is accessing undefined property (qiangxue)
 - Bug #1597: Added `enableAutoLogin` to basic and advanced application templates so "remember me" now works properly (samdark)
 - Bug #1631: Charset is now explicitly set to UTF-8 when serving JSON (samdark)
+- Bug #1636: `yii\jui\SliderInput` wasn't properly initialized (samdark)
 - Bug #1686: ActiveForm is creating duplicated messages in error summary (qiangxue)
 - Bug: Fixed `Call to a member function registerAssetFiles() on a non-object` in case of wrong `sourcePath` for an asset bundle (samdark)
 - Bug: Fixed incorrect event name for `yii\jui\Spinner` (samdark)