diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 6f4796285..5207cec26 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -567,10 +567,13 @@ body.controller-issues h2.inline-flex {padding-right: 0}
   overflow: hidden;
 }
 #issue_tree .issue > td.subject, #relations .issue > td.subject {
-  width: 100%; /* let subject have one full width column */
+  width: 50%; /* let subject have one full width column */
   word-break: break-word; /* break word if subject is too long */
   padding-right: 25px; /* this is the spaces that .buttons uses next to subject */
 }
+#issue_tree .issue > td.assigned_to, #relations .issue > td.assigned_to {
+  white-space: nowrap;
+}
 #trackers_description {display:none;}
 #trackers_description dt {font-weight: bold; text-decoration: underline;}
 #trackers_description dd {margin: 0; padding: 0 0 1em 0;}
diff --git a/public/stylesheets/responsive.css b/public/stylesheets/responsive.css
index 3d3a41fff..d6282046d 100644
--- a/public/stylesheets/responsive.css
+++ b/public/stylesheets/responsive.css
@@ -774,6 +774,10 @@
     padding-right: 5px;
   }
 
+  #issue_tree .issue > td.subject, #relations .issue > td.subject {
+    width: 100%; /* let subject have one full width column */
+  }
+
   #issue_tree .issue > td:not(.subject), #relations .issue > td:not(.subject) {
     width: 20%; /* three columns for all cells that are not subject */
   }