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-rw-r--r--phpBB/includes/acp/acp_profile.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/phpBB/includes/acp/acp_profile.php b/phpBB/includes/acp/acp_profile.php
index d588a34cec..c37d501aac 100644
--- a/phpBB/includes/acp/acp_profile.php
+++ b/phpBB/includes/acp/acp_profile.php
@@ -574,7 +574,7 @@ class acp_profile
foreach ($key_ary as $key)
{
$var = $profile_field->prepare_hidden_fields($step, $key, $action, $field_data);
- if (!is_null($var))
+ if ($var !== null)
{
$_new_key_ary[$key] = $profile_field->prepare_hidden_fields($step, $key, $action, $field_data);
}