diff --git a/app/models/util/period.rb b/app/models/util/period.rb
index c073815c..7a9ab50e 100644
--- a/app/models/util/period.rb
+++ b/app/models/util/period.rb
@@ -257,7 +257,7 @@ def negative?
   end
 
   def url_query_s
-    @url_query ||= "start_date=#{start_date}&end_date=#{end_date}"
+    @url_query ||= "start_date=#{start_date}&end_date=#{end_date}"
   end
 
   def limited?
diff --git a/app/views/evaluator/_timecell.html.haml b/app/views/evaluator/_timecell.html.haml
index f0236f48..33c9f1b9 100644
--- a/app/views/evaluator/_timecell.html.haml
+++ b/app/views/evaluator/_timecell.html.haml
@@ -39,7 +39,7 @@
                      category_id: evaluation.category_id,
                      division_id: division_id.presence,
                      absence_id: params[:absence_id])
-    - link += '&' + ( p ? p.url_query_s : 'start_date=0' )
+    - link += '&' + ( p ? p.url_query_s : 'start_date=0' )
     -# use html link instead of link_to for performance reasons
     %a{ href: link.html_safe }= image_tag('lupe.gif', size: '19x11', alt: 'Details')
   - else