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-rw-r--r--program/include/rcube_imap.inc4
1 files changed, 2 insertions, 2 deletions
diff --git a/program/include/rcube_imap.inc b/program/include/rcube_imap.inc
index d825a35b0..bb3146466 100644
--- a/program/include/rcube_imap.inc
+++ b/program/include/rcube_imap.inc
@@ -1060,8 +1060,8 @@ class rcube_imap
$start_index = 100000;
foreach ($a_uids as $uid)
{
- $index = array_search($uid, $a_cache_index);
- $start_index = min($index, $start_index);
+ if(($index = array_search($uid, $a_cache_index)) !== FALSE)
+ $start_index = min($index, $start_index);
}
// clear cache from the lowest index on