diff --git a/inc/cache.php b/inc/cache.php
index de85ecd1..3f1b8cb1 100644
--- a/inc/cache.php
+++ b/inc/cache.php
@@ -73,7 +73,8 @@ class Cache {
 			case 'redis':
 				if (!self::$cache)
 					self::init();
-				$data = json_decode(self::$cache->get($key), true);
+				$ret = self::$cache->get($key);
+				$data = $ret !== false ? json_decode($ret, true) : false;
 				break;
 		}