diff --git a/NEWS b/NEWS
index b6a90035..5325af33 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+  - fix headers sent erroneously with cache_modified_check and fetch()
+    (wphilips, messju)
   - fix config_file path bug (Marc Cabadas, Monte)
   - fix 'is even by' and 'is odd by' logic (Monte)
   - add day_empty, month_empty, year_empty and all_empty attributes to
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 5c105106..e5663261 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -1234,7 +1234,7 @@ class Smarty
                 }
             } else {
                 $this->_cache_info['template'][$resource_name] = true;
-                if ($this->cache_modified_check) {
+                if ($this->cache_modified_check && $display) {
                     header("Last-Modified: ".gmdate('D, d M Y H:i:s', time()).' GMT');
                 }
             }