diff --git a/program/lib/Roundcube/bootstrap.php b/program/lib/Roundcube/bootstrap.php
index 84d3787b9..0cfa574ba 100644
--- a/program/lib/Roundcube/bootstrap.php
+++ b/program/lib/Roundcube/bootstrap.php
@@ -100,7 +100,7 @@ spl_autoload_register('rcube_autoload');
 
 // set PEAR error handling (will also load the PEAR main class)
 if (class_exists('PEAR')) {
-    PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
+    @PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
 }