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path: root/plugins/managesieve/lib/rcube_sieve_script.php
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Diffstat (limited to 'plugins/managesieve/lib/rcube_sieve_script.php')
-rw-r--r--plugins/managesieve/lib/rcube_sieve_script.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/managesieve/lib/rcube_sieve_script.php b/plugins/managesieve/lib/rcube_sieve_script.php
index ee2780266..65f8d865c 100644
--- a/plugins/managesieve/lib/rcube_sieve_script.php
+++ b/plugins/managesieve/lib/rcube_sieve_script.php
@@ -684,7 +684,7 @@ class rcube_sieve_script
// String atom
default:
// empty or one character
- if ($str === '') {
+ if ($str === '' || $str === null) {
break 2;
}
if (strlen($str) < 2) {