public function load_textdomain() {
		// Set filter for plugin's languages directory
		$lang_dir = apply_filters( 'pum_lang_dir', dirname( plugin_basename( POPMAKE ) ) . '/languages/' );
		$lang_dir = apply_filters( 'popmake_languages_directory', $lang_dir );

		// Try to load Langpacks first, if they are not available fallback to local files.
		if ( ! load_plugin_textdomain( 'popup-maker', false, $lang_dir ) ) {
			// Traditional WordPress plugin locale filter
			$locale = apply_filters( 'plugin_locale', get_locale(), 'popup-maker' );
			$mofile = sprintf( '%1$s-%2$s.mo', 'popup-maker', $locale );

			// Setup paths to current locale file
			$mofile_local  = $lang_dir . $mofile;
			$mofile_global = WP_LANG_DIR . '/popup-maker/' . $mofile;

			if ( file_exists( $mofile_global ) ) {
				// Look in global /wp-content/languages/popup-maker folder
				load_textdomain( 'popup-maker', $mofile_global );
			} elseif ( file_exists( $mofile_local ) ) {
				// Look in local /wp-content/plugins/popup-maker/languages/ folder
				load_textdomain( 'popup-maker', $mofile_local );
			}
		}
	}