diff --git a/longs/templates/longs/long_series_viewer.html b/longs/templates/longs/long_series_viewer.html
index c31c5c53..24acf325 100755
--- a/longs/templates/longs/long_series_viewer.html
+++ b/longs/templates/longs/long_series_viewer.html
@@ -15,6 +15,6 @@ This series is not associated with any cases.
 <div>Author: {{ series.get_author_display }}</div>
 
 {% for image in series.images.all %}
-    {{image.image.url}}, pos: {{image.position}}</br>
+    {{image.image.url}}, pos: {{image.position}}, {{image.upload_filename}}</br>
     
 {% endfor %}
\ No newline at end of file
diff --git a/longs/views.py b/longs/views.py
index d3aec6c8..b47b0f8d 100755
--- a/longs/views.py
+++ b/longs/views.py
@@ -936,7 +936,7 @@ def long_series_order_dicom(request, pk):
     try:
         series.order_by_dicom_location()
     except:
-        return Http404
+        return HttpResponse('<h1>Series does not appear to contain dicoms</h1>')
 
     return redirect("longs:long_series_detail", pk=pk)