diff --git a/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/views/SampleTable.js b/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/views/SampleTable.js
index 763cbfe215f97ac85c693e1baa1fc47288b1d9df..51065459d72c8fed3cfbc7c3bb35a9c635d5fed2 100644
--- a/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/views/SampleTable.js
+++ b/plasmid/source/core-plugins/newbrowser/1/as/webapps/newbrowser/html/js/views/SampleTable.js
@@ -576,7 +576,7 @@ function SampleTable(serverFacade, sampleTableId, profile, sampleTypeCode, inspe
 									spaces.push(data.result[i].code);
 								}
 								
-								var component = "<select id='sampleSpaceSelector' required>";
+								var component = "<select id='sampleSpaceSelector' class='form-control' required>";
 								component += "<option disabled=\"disabled\" selected></option>";
 								for(var i = 0; i < spaces.length; i++) {
 									component += "<option value='"+spaces[i]+"'>"+spaces[i]+"</option>";