diff --git a/atlas/templates/atlas/collection_case_view_take.html b/atlas/templates/atlas/collection_case_view_take.html
index 90118321..5df440b6 100644
--- a/atlas/templates/atlas/collection_case_view_take.html
+++ b/atlas/templates/atlas/collection_case_view_take.html
@@ -128,7 +128,7 @@
 
             <details id="dicom-viewer-details" open>
                 <summary>Viewer</summary>
-                 <div id="main_viewer" class="dicom-viewer-root viewer-frame-standard"
+                <div id="main_viewer" class="dicom-viewer-root viewer-frame-standard"
                      data-auto-cache-stack="false"
                      data-named-stacks='{{casedetail.get_case_named_stacks}}'
                 ></div>
diff --git a/atlas/templates/atlas/series_viewer.html b/atlas/templates/atlas/series_viewer.html
index 54202afa..62312e9b 100755
--- a/atlas/templates/atlas/series_viewer.html
+++ b/atlas/templates/atlas/series_viewer.html
@@ -30,7 +30,7 @@
                 <div class="card">
                     <div class="card-body p-2">
                         {% with image_url_array_and_count=series.get_image_url_array_and_count %}
-                               <div id="root" class="dicom-viewer-root w-100 viewer-frame-standard" data-images="{{ image_url_array_and_count.0 }}" data-auto-cache-stack=false>
+                            <div id="root" class="dicom-viewer-root w-100 viewer-frame-standard" data-images="{{ image_url_array_and_count.0 }}" data-auto-cache-stack=false>
                             </div>
                         {% endwith %}
                     </div>