diff --git a/src/jquery.uls.core.js b/src/jquery.uls.core.js
index 36f30a5..98e1c76 100644
--- a/src/jquery.uls.core.js
+++ b/src/jquery.uls.core.js
@@ -54,6 +54,7 @@
 		this.$element = $( element );
 		this.options = $.extend( {}, $.fn.uls.defaults, options );
 		this.$menu = $( template );
+		this.$menu.data( 'uls-purpose', this.options.ulsPurpose );
 		this.languages = this.options.languages;
 
 		for ( code in this.languages ) {
@@ -393,6 +394,10 @@
 		// The options are wide (4 columns), medium (2 columns), and narrow (1 column).
 		// If not specified, it will be set automatically.
 		menuWidth: undefined,
+		// What is this ULS used for.
+		// Should be set for distinguishing between different instances of ULS
+		// in the same application.
+		ulsPurpose: '',
 		// Used by LCD
 		quickList: [],
 		// Used by LCD
diff --git a/src/jquery.uls.languagefilter.js b/src/jquery.uls.languagefilter.js
index edaa0e7..3a5e0af 100644
--- a/src/jquery.uls.languagefilter.js
+++ b/src/jquery.uls.languagefilter.js
@@ -233,7 +233,11 @@
 		resultHandler: function ( query, results, autofillLabel ) {
 			if ( results.length === 0 ) {
 				this.$suggestion.val( '' );
-				this.$element.trigger( 'noresults.uls', query );
+				this.$element.trigger(
+					'noresults.uls',
+					query,
+					this.$element.parents( '.uls-menu' ).data( 'uls-purpose' )
+				);
 				return;
 			}