diff --git a/modules/node.module b/modules/node.module
index 6aede84346aa..cfd7703085f1 100644
--- a/modules/node.module
+++ b/modules/node.module
@@ -1210,7 +1210,7 @@ function node_validate($node) {
     }
 
     if (!$node->date) {
-      $node->date = format_date($node->created, 'custom', 'Y-m-d H:i O');
+      $node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
     }
 
     // Validate the "authored by" field.
diff --git a/modules/node/node.module b/modules/node/node.module
index 6aede84346aa..cfd7703085f1 100644
--- a/modules/node/node.module
+++ b/modules/node/node.module
@@ -1210,7 +1210,7 @@ function node_validate($node) {
     }
 
     if (!$node->date) {
-      $node->date = format_date($node->created, 'custom', 'Y-m-d H:i O');
+      $node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
     }
 
     // Validate the "authored by" field.