--- httpbl.module.orig	2009-09-12 16:59:43.000000000 -0500
+++ httpbl.module	2009-09-17 03:50:18.000000000 -0500
@@ -158,7 +158,7 @@ function httpbl_check() {
   }
   // Cache is enabled - do a cache lookup
   else if ($cache = variable_get('httpbl_cache', HTTPBL_CACHE_DBDRUPAL)) {
-    $result = _httpbl_cache_get($ip);
+    $result = (int) _httpbl_cache_get($ip);
   }
   
   if (!is_int($result)) {
