diff --git a/main/inc/lib/pear/Image/Text/Exception.php b/main/inc/lib/pear/Image/Text/Exception.php
index d893c98929..9e6a3a635a 100644
--- a/main/inc/lib/pear/Image/Text/Exception.php
+++ b/main/inc/lib/pear/Image/Text/Exception.php
@@ -10,7 +10,8 @@
  * @license  http://www.php.net/license/3_01.txt PHP License
  * @link     http://pear.php.net/package/Image_Text
  */
-require_once 'PEAR/Exception.php';
+$lib_path = api_get_path(LIBRARY_PATH);
+require_once $lib_path.'/pear/Exception.php';
 /**
  * Exception for Image_Text
  *
diff --git a/main/inc/lib/pear/Text/CAPTCHA/Exception.php b/main/inc/lib/pear/Text/CAPTCHA/Exception.php
index 8302c3048f..bc2a598649 100644
--- a/main/inc/lib/pear/Text/CAPTCHA/Exception.php
+++ b/main/inc/lib/pear/Text/CAPTCHA/Exception.php
@@ -12,7 +12,8 @@
  * @license  http://www.opensource.org/licenses/bsd-license.php BSD License
  * @link     http://pear.php.net/package/Text_CAPTCHA
  */
-require_once 'PEAR/Exception.php';
+ $lib_path = api_get_path(LIBRARY_PATH);
+require_once $lib_path.'/pear/Exception.php';
 /**
  * Exception for Text_CAPTCHA
  *