diff --git a/classes/Bulk/Bulk.php b/classes/Bulk/Bulk.php
index ee474667d..f4ccec665 100644
--- a/classes/Bulk/Bulk.php
+++ b/classes/Bulk/Bulk.php
@@ -20,8 +20,8 @@ public function init() {
 		add_action( 'imagify_convert_next_gen', [ $this, 'generate_next_gen_versions' ], 10, 2 );
 		add_action( 'imagify_convert_webp_finished', [ $this, 'clear_webp_transients' ], 10, 2 );
 		add_action( 'wp_ajax_imagify_bulk_optimize', [ $this, 'bulk_optimize_callback' ] );
+		add_action( 'wp_ajax_imagify_missing_nextgen_generation', [ $this, 'missing_nextgen_callback' ] );
 		add_action( 'imagify_bulk_optimize', [ $this, 'bulk_optimize' ], 10, 2 );
-		add_action( 'wp_ajax_imagify_missing_webp_generation', [ $this, 'missing_webp_callback' ] );
 		add_action( 'wp_ajax_imagify_get_folder_type_data', [ $this, 'get_folder_type_data_callback' ] );
 		add_action( 'wp_ajax_imagify_bulk_info_seen', [ $this, 'bulk_info_seen_callback' ] );
 		add_action( 'wp_ajax_imagify_bulk_get_stats', [ $this, 'bulk_get_stats_callback' ] );
@@ -218,10 +218,11 @@ public function run_optimize( string $context, int $optimization_level ) {
 	 * Runs the WebP generation
 	 *
 	 * @param array $contexts An array of contexts (WP/Custom folders).
+	 * @param array $formats An array of format to generate.
 	 *
 	 * @return array
 	 */
-	public function run_generate_webp( array $contexts ) {
+	public function run_generate_nextgen( array $contexts, array $formats ) {
 		if ( ! $this->can_optimize() ) {
 			return [
 				'success' => false,
@@ -514,7 +515,7 @@ public function bulk_optimize_callback() {
 	 *
 	 * @return void
 	 */
-	public function missing_webp_callback() {
+	public function missing_nextgen_callback() {
 		imagify_check_nonce( 'imagify-bulk-optimize' );
 
 		$contexts = explode( '_', sanitize_key( wp_unslash( $_GET['context'] ) ) );
@@ -525,7 +526,9 @@ public function missing_webp_callback() {
 			}
 		}
 
-		$data = $this->run_generate_webp( $contexts );
+		$formats = imagify_nextgen_images_formats();
+
+		$data = $this->run_generate_nextgen( $contexts, $formats );
 
 		if ( false === $data['success'] ) {
 			wp_send_json_error( [ 'message' => $data['message'] ] );
diff --git a/classes/CLI/GenerateMissingWebpCommand.php b/classes/CLI/GenerateMissingNextgenCommand.php
similarity index 89%
rename from classes/CLI/GenerateMissingWebpCommand.php
rename to classes/CLI/GenerateMissingNextgenCommand.php
index 33cebc0e4..c8b5f2dae 100644
--- a/classes/CLI/GenerateMissingWebpCommand.php
+++ b/classes/CLI/GenerateMissingNextgenCommand.php
@@ -6,9 +6,9 @@
 use Imagify\Bulk\Bulk;
 
 /**
- * Command class for the missing WebP generation
+ * Command class for the missing Nextgen generation
  */
-class GenerateMissingWebpCommand extends AbstractCommand {
+class GenerateMissingNextgenCommand extends AbstractCommand {
 	/**
 	 * Executes the command.
 	 *
diff --git a/classes/Plugin.php b/classes/Plugin.php
index eaa0f1b55..c3cf0ad3b 100644
--- a/classes/Plugin.php
+++ b/classes/Plugin.php
@@ -5,7 +5,7 @@
 
 use Imagify\Bulk\Bulk;
 use Imagify\CLI\BulkOptimizeCommand;
-use Imagify\CLI\GenerateMissingWebpCommand;
+use Imagify\CLI\GenerateMissingNextgenCommand;
 use Imagify\Notices\Notices;
 use Imagify\Admin\AdminBar;
 
@@ -80,7 +80,7 @@ class_alias( '\\Imagify\\Traits\\InstanceGetterTrait', '\\Imagify\\Traits\\FakeS
 		imagify_load_translations();
 
 		imagify_add_command( new BulkOptimizeCommand() );
-		imagify_add_command( new GenerateMissingWebpCommand() );
+		imagify_add_command( new GenerateMissingNextgenCommand() );
 
 		/**
 		 * Fires when Imagify is fully loaded.
diff --git a/inc/functions/i18n.php b/inc/functions/i18n.php
index 425c99a42..b59d885e8 100755
--- a/inc/functions/i18n.php
+++ b/inc/functions/i18n.php
@@ -93,7 +93,7 @@ function get_imagify_localize_script_translations( $context ) {
 						'requirements' => $imagifybeat_actions->get_imagifybeat_id( 'requirements' ),
 					],
 					'ajaxActions'      => [
-						'MissingWebp' => 'imagify_missing_webp_generation',
+						'MissingNextGen' => 'imagify_missing_nextgen_generation',
 					],
 					'ajaxNonce'        => wp_create_nonce( 'imagify-bulk-optimize' ),
 					'contexts'         => $contexts,