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-rw-r--r--index.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/index.php b/index.php
index 04362ef16..5ca2af608 100644
--- a/index.php
+++ b/index.php
@@ -157,7 +157,7 @@ if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
RCMAIL::ERROR_INVALID_HOST => 'invalidhost',
);
- $error_message = !is_numeric($auth['error']) ? $auth['error'] : ($error_labels[$error_code] ?: 'loginfailed');
+ $error_message = !empty($auth['error']) && !is_numeric($auth['error']) ? $auth['error'] : ($error_labels[$error_code] ?: 'loginfailed');
$OUTPUT->show_message($error_message, 'warning');