diff --git a/sanity_check.php b/sanity_check.php
index 930d68e0..3007d2bb 100644
--- a/sanity_check.php
+++ b/sanity_check.php
@@ -143,8 +143,8 @@
 		$err_msg = "php.ini: Safe mode is not supported. If you wish to continue, remove this test from sanity_check.php and proceeed at your own risk. Please note that your bug reports will not be accepted or reviewed.";
 	}
 
-	if (PUBSUBHUBBUB_HUB && !function_exists("curl_init")) {
-		$err_msg = "PUBSUBHUBBUB_HUB is defined, but CURL functions are not found. CURL is required for PubSubHubbub support.";
+	if ((PUBSUBHUBBUB_HUB || PUBSUBHUBBUB_ENABLED) && !function_exists("curl_init")) {
+		$err_msg = "CURL is required for PubSubHubbub support.";
 	}
 
 	if (!class_exists("DOMDocument")) {