diff --git a/module/bug/model.php b/module/bug/model.php
index 8dfb5c548e..8d66d2ad3b 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -2683,7 +2683,7 @@ class bugModel extends model
         $btnClass     = "iframe btn btn-icon-left btn-sm {$btnClass}";
 
         $assignToLink = helper::createLink('bug', 'assignTo', "bugID=$bug->id", '', true);
-        $assignToHtml = html::a($assignToLink, "<i class='icon icon-hand-right'></i> <span title='$bug->assignedTo' class='{$btnTextClass}'>{$assignedToText}</span>", '', "class='$btnClass'");
+        $assignToHtml = html::a($assignToLink, "<i class='icon icon-hand-right'></i> <span title='" . zget($users, $bug->assignedTo) . "' class='{$btnTextClass}'>{$assignedToText}</span>", '', "class='$btnClass'");
 
         echo !common::hasPriv('bug', 'assignTo', $bug) ? "<span style='padding-left: 21px' class='{$btnTextClass}'>{$assignedToText}</span>" : $assignToHtml;
     }
diff --git a/module/task/model.php b/module/task/model.php
index 330260246a..edc723bc75 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -2829,7 +2829,7 @@ class taskModel extends model
         $btnClass     = $task->assignedTo == 'closed' ? ' disabled' : '';
         $btnClass     = "iframe btn btn-icon-left btn-sm {$btnClass}";
         $assignToLink = helper::createLink('task', 'assignTo', "projectID=$task->project&taskID=$task->id", '', true);
-        $assignToHtml = html::a($assignToLink, "<i class='icon icon-hand-right'></i> <span class='{$btnTextClass}'>{$assignedToText}</span>", '', "class='$btnClass'");
+        $assignToHtml = html::a($assignToLink, "<i class='icon icon-hand-right'></i> <span title='" . zget($users, $task->assignedTo) . "' class='{$btnTextClass}'>{$assignedToText}</span>", '', "class='$btnClass'");
 
         echo !common::hasPriv('task', 'assignTo', $task) ? "<span style='padding-left: 21px' class='{$btnTextClass}'>{$assignedToText}</span>" : $assignToHtml;
     }