diff --git a/app/views/gantts/show.html.erb b/app/views/gantts/show.html.erb
index 556be7d5e..d9a291795 100644
--- a/app/views/gantts/show.html.erb
+++ b/app/views/gantts/show.html.erb
@@ -201,11 +201,19 @@
   wday = @gantt.date_from.cwday
   %>
   <% (@gantt.date_to - @gantt.date_from + 1).to_i.times do %>
-    <% width =  zoom - 1 %>
-      <div style="left:<%= left %>px;top:37px;width:<%= width %>px;height:<%= height %>px;font-size:0.7em;<%= "background:#f1f1f1;" if wday > 5 %>"
-           class="gantt_hdr">
-        <%= day_letter(wday) %>
-      </div>
+    <%
+      width =  zoom - 1
+      style  = ""
+      style += "left: #{left}px;"
+      style += "top:37px;"
+      style += "width: #{width}px;"
+      style += "height: #{height}px;"
+      style += "font-size:0.7em;"
+      style += 'background:#f1f1f1;' if wday > 5
+    %>
+    <%= content_tag(:div, :style => style, :class => "gantt_hdr") do %>
+      <%= day_letter(wday) %>
+    <% end %>
     <%
     left = left + width + 1
     wday = wday + 1