diff --git a/application/config/tcpdf.php b/application/config/tcpdf.php
index 3ec0d975e57..d0f19ee5e44 100644
--- a/application/config/tcpdf.php
+++ b/application/config/tcpdf.php
@@ -127,7 +127,7 @@
     * of a two-element array containing the width and the height.
     ************************************************************/
 
-    $tcpdf['page_format'] = 'LETTER';
+    $tcpdf['page_format'] = 'A4';
 
 
     /************************************************************