diff --git a/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/widgets/SampleLinksWidget.js b/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/widgets/SampleLinksWidget.js
index cd86701c40c669ebedffa55a0e384cfc23eb6287..01cf88a071f980d6bfc7043b33412c8fa60507e2 100644
--- a/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/widgets/SampleLinksWidget.js
+++ b/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/widgets/SampleLinksWidget.js
@@ -148,7 +148,7 @@ function SampleLinksWidget(containerId, profile, serverFacade, title, sampleType
 	this._addAny = function(id, tableId, sampleId) {
 		var sampleTypes = this.profile.getAllSampleTypes();
 		
-		var component = "<select id='sampleTypeSelector' required>";
+		var component = "<select id='sampleTypeSelector' class='form-control' required>";
 		component += "<option disabled=\"disabled\" selected></option>";
 		for(var i = 0; i < sampleTypes.length; i++) {
 			var sampleType = sampleTypes[i];