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-rw-r--r--program/include/rcube_shared.inc4
1 files changed, 2 insertions, 2 deletions
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 0c336ca4e..267914736 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -246,8 +246,8 @@ function send_modified_header($mdate, $etag=null)
$iscached = true;
$etag = $etag ? "\"$etag\"" : null;
- if ($etag && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag)
- $iscached = true;
+ if ($etag)
+ $iscached = ($_SERVER['HTTP_IF_NONE_MATCH'] == $etag);
if ($iscached)
header("HTTP/1.x 304 Not Modified");