diff --git a/src/applications/maniphest/view/ManiphestTaskListView.php b/src/applications/maniphest/view/ManiphestTaskListView.php
--- a/src/applications/maniphest/view/ManiphestTaskListView.php
+++ b/src/applications/maniphest/view/ManiphestTaskListView.php
@@ -6,6 +6,7 @@
   private $handles;
   private $showBatchControls;
   private $showSubpriorityControls;
+  private $noDataString;
 
   public function setTasks(array $tasks) {
     assert_instances_of($tasks, 'ManiphestTask');
@@ -29,6 +30,11 @@
     return $this;
   }
 
+  public function setNoDataString($text) {
+    $this->noDataString = $text;
+    return $this;
+  }
+
   public function render() {
     $handles = $this->handles;
 
@@ -37,6 +43,12 @@
     $list = new PHUIObjectItemListView();
     $list->setFlush(true);
 
+    if ($this->noDataString) {
+      $list->setNoDataString($this->noDataString);
+    } else {
+      $list->setNoDataString(pht('No tasks.'));
+    }
+
     $status_map = ManiphestTaskStatus::getTaskStatusMap();
     $color_map = ManiphestTaskPriority::getColorMap();
 
diff --git a/src/applications/project/controller/PhabricatorProjectProfileController.php b/src/applications/project/controller/PhabricatorProjectProfileController.php
--- a/src/applications/project/controller/PhabricatorProjectProfileController.php
+++ b/src/applications/project/controller/PhabricatorProjectProfileController.php
@@ -110,6 +110,7 @@
     $task_list->setUser($user);
     $task_list->setTasks($tasks);
     $task_list->setHandles($handles);
+    $task_list->setNoDataString(pht('This project has no open tasks.'));
 
     $phid = $project->getPHID();
     $view_uri = urisprintf(