diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index 0232adf..2c26a36 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -110,13 +110,10 @@
 		// Internet Explorer-specific headers
 		if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE)
 		{
-			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
-			header('Pragma: public');
+			header('Cache-Control: no-cache, no-store, must-revalidate');
 		}
-		else
-		{
-			header('Pragma: no-cache');
-		}
+
+		header('Pragma: no-cache');
 
 		exit($data);
 	}
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index afe2a68..8576dbf 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -379,6 +379,7 @@
 -  Fixed a bug (#134) - :doc:`Database Caching <database/caching>` method ``delete_cache()`` didn't work in some cases due to *cachedir* not being initialized properly.
 -  Fixed a bug (#191) - :doc:`Loader Library <libraries/loader>` ignored attempts for (re)loading databases to ``get_instance()->db`` even when the old database connection is dead.
 -  Fixed a bug (#1255) - :doc:`User Agent Library <libraries/user_agent>` method ``is_referral()`` only checked if ``$_SERVER['HTTP_REFERER']`` exists.
+-  Fixed a bug (#1146) - :doc:`Download Helper <helpers/download_helper>` function ``force_download()`` incorrectly sent *Cache-Control* directives *pre-check* and *post-check* to Internet Explorer.
 
 Version 2.1.3
 =============