diff --git a/core/modules/aggregator/aggregator.install b/core/modules/aggregator/aggregator.install
index 2b755e1..c59bf61 100644
--- a/core/modules/aggregator/aggregator.install
+++ b/core/modules/aggregator/aggregator.install
@@ -16,7 +16,7 @@ function aggregator_requirements($phase) {
     'title' => t('cURL'),
     'value' => $has_curl ? t('Enabled') : t('Not found'),
   );
-  if (!$has_curl) {
+  if ($has_curl) {
     $requirements['curl']['severity'] = REQUIREMENT_ERROR;
     $requirements['curl']['description'] = t('The Aggregator module could not be installed because the PHP <a href="@curl_url">cURL</a> library is not available.', array('@curl_url' => 'http://php.net/manual/curl.setup.php'));
   }