diff --git a/src/Illuminate/Cache/RedisTaggedCache.php b/src/Illuminate/Cache/RedisTaggedCache.php
index c83ee42f083b..77e25e39df58 100644
--- a/src/Illuminate/Cache/RedisTaggedCache.php
+++ b/src/Illuminate/Cache/RedisTaggedCache.php
@@ -55,7 +55,7 @@ public function increment($key, $value = 1)
      */
     public function decrement($key, $value = 1)
     {
-        $this->pushStandardKeys($s->tags->getNamespace(), $key);
+        $this->pushStandardKeys($this->tags->getNamespace(), $key);
 
         parent::decrement($key, $value);
     }