diff --git a/module/bug/control.php b/module/bug/control.php
index 9d14a7a01c..5b8fa4fcf7 100755
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -2259,6 +2259,13 @@ class bug extends control
                     $bug->steps = str_replace(' ', ' ', $bug->steps);
                 }
 
+                $bug->openedDate     = !helper::isZeroDate($bug->openedDate)     ? $bug->openedDate     : '';
+                $bug->assignedDate   = !helper::isZeroDate($bug->assignedDate)   ? $bug->assignedDate   : '';
+                $bug->resolvedDate   = !helper::isZeroDate($bug->resolvedDate)   ? $bug->resolvedDate   : '';
+                $bug->closedDate     = !helper::isZeroDate($bug->closedDate)     ? $bug->closedDate     : '';
+                $bug->lastEditedDate = !helper::isZeroDate($bug->lastEditedDate) ? $bug->lastEditedDate : '';
+                $bug->deadline       = !helper::isZeroDate($bug->deadline)       ? $bug->deadline       : '';
+
                 /* fill some field with useful value. */
                 $bug->product   = !isset($products[$bug->product])     ? '' : $products[$bug->product] . "(#$bug->product)";
                 $bug->project   = !isset($projects[$bug->project])     ? '' : $projects[$bug->project] . "(#$bug->project)";
diff --git a/module/testcase/control.php b/module/testcase/control.php
index 70d766f8b5..fda3c10423 100644
--- a/module/testcase/control.php
+++ b/module/testcase/control.php
@@ -1582,6 +1582,10 @@ class testcase extends control
                 $case->real       = '';
                 $result = isset($results[$case->id]) ? $results[$case->id] : array();
 
+                $case->openedDate     = !helper::isZeroDate($case->openedDate)     ? $case->openedDate     : '';
+                $case->lastEditedDate = !helper::isZeroDate($case->lastEditedDate) ? $case->lastEditedDate : '';
+                $case->lastRunDate    = !helper::isZeroDate($case->lastRunDate)    ? $case->lastRunDate    : '';
+
                 $case->real = '';
                 if(!empty($result) and !isset($relatedSteps[$case->id]))
                 {