diff --git a/src/Symfony/Component/Cache/Adapter/ApcuAdapter.php b/src/Symfony/Component/Cache/Adapter/ApcuAdapter.php
index 621899d904efc..96f76ac05ed4c 100644
--- a/src/Symfony/Component/Cache/Adapter/ApcuAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/ApcuAdapter.php
@@ -72,6 +72,17 @@ protected function doDelete(array $ids)
      */
     protected function doSave(array $values, $lifetime)
     {
-        return array_keys(apcu_store($values, null, $lifetime));
+        try {
+            return array_keys(apcu_store($values, null, $lifetime));
+        } catch (\Error $e) {
+        } catch (\Exception $e) {
+        }
+
+        if (1 === count($values)) {
+            // Workaround https://github.com/krakjoe/apcu/issues/170
+            apcu_delete(key($values));
+        }
+
+        throw $e;
     }
 }
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/ApcuAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/ApcuAdapterTest.php
index b6ce21e1efe06..8b6493be1b12f 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/ApcuAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/ApcuAdapterTest.php
@@ -30,4 +30,17 @@ public function createCachePool()
 
         return new ApcuAdapter(str_replace('\\', '.', __CLASS__));
     }
+
+    public function testUnserializable()
+    {
+        $pool = $this->createCachePool();
+
+        $item = $pool->getItem('foo');
+        $item->set(function() {});
+
+        $this->assertFalse($pool->save($item));
+
+        $item = $pool->getItem('foo');
+        $this->assertFalse($item->isHit());
+    }
 }