diff --git a/cps/templates/detail.html b/cps/templates/detail.html
index ce7e179a..4a3ae2b1 100644
--- a/cps/templates/detail.html
+++ b/cps/templates/detail.html
@@ -2,7 +2,7 @@
 {% block body %}
 <div class="single">
   <div class="row">
-    <div class="col-sm-3 col-lg-3 col-xs-12">
+    <div class="col-sm-3 col-lg-3 col-xs-5">
       <div class="cover">
         {% if entry.has_cover %}
           <img src="{{ url_for('get_cover', cover_path=entry.path.replace('\\','/')) }}" />
diff --git a/cps/web.py b/cps/web.py
index 539d9984..6cb53981 100755
--- a/cps/web.py
+++ b/cps/web.py
@@ -700,7 +700,7 @@ def get_opds_download_link(book_id, format):
         helper.update_download(book_id, int(current_user.id))
     file_name = book.title
     if len(book.authors) > 0:
-        file_name = book.authors[0].name + '-' + file_name
+        file_name = book.authors[0].name + '_' + file_name
     file_name = helper.get_valid_filename(file_name)
     response = make_response(send_from_directory(os.path.join(config.config_calibre_dir, book.path), data.name + "." + format))
     response.headers["Content-Disposition"] = "attachment; filename*=UTF-8''%s.%s" % (quote(file_name.encode('utf8')), format)
@@ -1324,7 +1324,7 @@ def get_download_link(book_id, format):
             helper.update_download(book_id, int(current_user.id))
         file_name = book.title
         if len(book.authors) > 0:
-            file_name = book.authors[0].name + '-' + file_name
+            file_name = book.authors[0].name + '_' + file_name
         file_name = helper.get_valid_filename(file_name)
         response = make_response(
             send_from_directory(os.path.join(config.config_calibre_dir, book.path), data.name + "." + format))