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-rw-r--r--phpBB/includes/acp/acp_captcha.php6
1 files changed, 5 insertions, 1 deletions
diff --git a/phpBB/includes/acp/acp_captcha.php b/phpBB/includes/acp/acp_captcha.php
index 18523506a4..90aa4e8683 100644
--- a/phpBB/includes/acp/acp_captcha.php
+++ b/phpBB/includes/acp/acp_captcha.php
@@ -80,7 +80,11 @@ class acp_captcha
$captcha_vars = array_keys($captcha_vars);
foreach ($captcha_vars as $captcha_var)
{
- set_config($captcha_var, request_var($captcha_var, 0));
+ $value = request_var($captcha_var, 0);
+ if ($value >= 0)
+ {
+ set_config($captcha_var, $value);
+ }
}
trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
}