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-rw-r--r--program/include/rcube_imap_generic.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index 0c69c2320..a70cbaa67 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -135,7 +135,7 @@ class rcube_imap_generic
private function putLineC($string, $endln=true)
{
if (!$this->fp)
- return NULL;
+ return false;
if ($endln)
$string .= "\r\n";