diff --git a/lib/imp.html b/lib/imp.html
index 53f6c40787d1e4e83a3348dc2a8d3125d814db15..83a0b89111ed6bdf4b2c88a80ba9c8e1b95a2f99 100644
--- a/lib/imp.html
+++ b/lib/imp.html
@@ -136,14 +136,14 @@
           <div role="tabpanel" class="tab-pane fade" id="assembly">
             <section id="assembly-section" class="row">
                 <div id="but-assembly" class="row btn-group" data-toggle="buttons" name="assembly-data">
-                    <label class="btn btn-primary">
-                        <input id="but-assembly1" type="radio" value="Analysis/results/IMP-vizbin_length.png" class="btn btn-default" name="assembly-data">Vizbin length
+                    <label class="btn btn-primary active">
+                        <input id="but-assembly1" type="radio" value="Analysis/results/IMP-vizbin_length.png" class="btn btn-default" name="assembly-data" checked>Vizbin length
                     </label>
                     <label class="btn btn-primary">
                         <input id="but-assembly2" type="radio" value="Analysis/results/IMP-vizbin_length_GC.png" class="btn btn-default" name="assembly-data">Vizbin GC
                     </label>
-                    <label class="btn btn-primary active">
-                        <input id="but-assembly3" type="radio" value="Analysis/results/quast/summary/report.html" class="btn btn-default" name="assembly-data" checked>Quast
+                    <label class="btn btn-primary">
+                        <input id="but-assembly3" type="radio" value="Analysis/results/quast/summary/report.html" class="btn btn-default" name="assembly-data">Quast
                     </label>
                 </div>
                 <div class="row">