diff --git a/inc/fields/taxonomy-advanced.php b/inc/fields/taxonomy-advanced.php
index 35272e41f..3c9330f81 100644
--- a/inc/fields/taxonomy-advanced.php
+++ b/inc/fields/taxonomy-advanced.php
@@ -9,28 +9,6 @@
  * The taxonomy advanced field class.
  */
 class RWMB_Taxonomy_Advanced_Field extends RWMB_Taxonomy_Field {
-	/**
-	 * Normalize the field parameters.
-	 *
-	 * @param array $field Field parameters.
-	 *
-	 * @return array
-	 */
-	public static function normalize( $field ) {
-		$field = wp_parse_args(
-			$field,
-			array(
-				'clone' => false,
-			)
-		);
-
-		$clone          = $field['clone'];
-		$field          = parent::normalize( $field );
-		$field['clone'] = $clone;
-
-		return $field;
-	}
-
 	/**
 	 * Get meta values to save.
 	 * Save terms in custom field in form of comma-separated IDs, no more by setting post terms.
@@ -60,10 +38,20 @@ public static function save( $new, $old, $post_id, $field ) {
 		}
 		$storage = $field['storage'];
 
-		if ( $new ) {
-			$storage->update( $post_id, $field['id'], $new );
-		} else {
+		if ( ! $new ) {
 			$storage->delete( $post_id, $field['id'] );
+			return;
+		}
+
+		if ( ! $field['clone'] || ! $field['clone_as_multiple'] ) {
+			$storage->update( $post_id, $field['id'], $new );
+			return;
+		}
+
+		// clone and clone_as_multiple.
+		$storage->delete( $post_id, $field['id'] );
+		foreach ( $new as $value ) {
+			$storage->add( $post_id, $field['id'], $value );
 		}
 	}
 
@@ -83,7 +71,9 @@ public static function raw_meta( $object_id, $field, $args = array() ) {
 		if ( empty( $meta ) ) {
 			return $field['multiple'] ? array() : '';
 		}
+
 		$meta = is_array( $meta ) ? array_map( 'wp_parse_id_list', $meta ) : wp_parse_id_list( $meta );
+
 		$meta = array_filter( $meta );
 
 		return $meta;
diff --git a/inc/fields/taxonomy.php b/inc/fields/taxonomy.php
index 4761a9be7..66c87b86d 100644
--- a/inc/fields/taxonomy.php
+++ b/inc/fields/taxonomy.php
@@ -68,8 +68,10 @@ public static function normalize( $field ) {
 			)
 		);
 
-		// Prevent cloning for taxonomy field.
-		$field['clone'] = false;
+		// Prevent cloning for taxonomy field, not for child fields (taxonomy_advanced).
+		if ( 'taxonomy' == $field['type'] ) {
+			$field['clone'] = false;
+		}
 
 		$field = parent::normalize( $field );
 
diff --git a/tests/clone-taxonomy-advanced.php b/tests/clone-taxonomy-advanced.php
new file mode 100644
index 000000000..2d3f14880
--- /dev/null
+++ b/tests/clone-taxonomy-advanced.php
@@ -0,0 +1,86 @@
+<?php
+add_filter( 'rwmb_meta_boxes', function( $meta_boxes ) {
+	$meta_boxes[] = [
+		'title' => 'No clone',
+		'fields' => [
+			[
+				'type' => 'taxonomy_advanced',
+				'id'   => 'ta1',
+				'name' => 'TA1',
+			],
+			[
+				'type'     => 'taxonomy_advanced',
+				'id'       => 'ta2',
+				'name'     => 'TA2 - Multiple',
+				'multiple' => true,
+			]
+		],
+	];
+	$meta_boxes[] = [
+		'title' => 'Clone',
+		'fields' => [
+			[
+				'type'              => 'taxonomy_advanced',
+				'id'                => 'ta3',
+				'name'              => 'TA3 - Clone',
+				'clone'             => true,
+				'multiple'          => false,
+				'clone_as_multiple' => false,
+			],
+			[
+				'type'              => 'taxonomy_advanced',
+				'id'                => 'ta4',
+				'name'              => 'TA4 - Clone + Clone as multiple',
+				'clone'             => true,
+				'multiple'          => false,
+				'clone_as_multiple' => true,
+			],
+			[
+				'type'              => 'taxonomy_advanced',
+				'id'                => 'ta5',
+				'name'              => 'TA5 - Clone + Multiple',
+				'clone'             => true,
+				'multiple'          => true,
+				'clone_as_multiple' => false,
+			],
+			[
+				'type'              => 'taxonomy_advanced',
+				'id'                => 'ta6',
+				'name'              => 'TA6 - Clone + Multiple + Clone as multiple',
+				'clone'             => true,
+				'multiple'          => true,
+				'clone_as_multiple' => true,
+			],
+		],
+	];
+	return $meta_boxes;
+} );
+
+add_filter( 'the_content', function( $content ) {
+	if ( ! is_single() ) {
+		return $content;
+	}
+	ob_start();
+	$fields = range( 1, 6 );
+	foreach ( $fields as $field ) {
+		$field = "ta$field";
+		echo "<h1>Field $field</h1>";
+
+		echo '<h3>rwmb_meta()</h3>';
+		$value = rwmb_meta( $field );
+		echo '<pre>';
+		print_r( $value );
+		echo '</pre>';
+
+		echo '<h3>rwmb_get_value()</h3>';
+		$value = rwmb_get_value( $field );
+		echo '<pre>';
+		print_r( $value );
+		echo '</pre>';
+
+		echo '<h3>rwmb_the_value()</h3>';
+		rwmb_the_value( $field );
+	}
+
+	return $content . ob_get_clean();
+} );
\ No newline at end of file