diff --git a/library/Zend/View/Renderer/PhpRenderer.php b/library/Zend/View/Renderer/PhpRenderer.php
index 87baf3d988f..f2242a5f5c1 100644
--- a/library/Zend/View/Renderer/PhpRenderer.php
+++ b/library/Zend/View/Renderer/PhpRenderer.php
@@ -396,7 +396,7 @@ public function __call($method, $argv)
             $this->__pluginCache[$method] = $this->plugin($method);
         }
         if (is_callable($this->__pluginCache[$method])) {
-            return call_user_func_array($this->__pluginCache[$method], $argv);
+            return call_user_func_array($this->plugin($method), $argv);
         }
         return $this->__pluginCache[$method];
     }
diff --git a/tests/ZendTest/View/PhpRendererTest.php b/tests/ZendTest/View/PhpRendererTest.php
index 669103cbdaf..edbcaa2ba89 100644
--- a/tests/ZendTest/View/PhpRendererTest.php
+++ b/tests/ZendTest/View/PhpRendererTest.php
@@ -421,4 +421,25 @@ public function testIfViewModelComposesVariablesInstanceThenRendererUsesIt()
         $test = $this->renderer->render($model);
         $this->assertContains('BAR-BAZ-BAT', $test);
     }
+
+    /**
+     * @group ZF2-4221
+     */
+    public function testSharedInstanceHelperTest()
+    {
+        $helpers = $this->renderer->getHelperPluginManager();
+        $helpers->setInvokableClass('sharedinstancetest', 'ZendTest\View\TestAsset\SharedInstanceTest');
+
+        $helpers->setShared('sharedinstancetest',false);
+        // new instance always created when shared = false
+        $this->assertEquals(1, $this->renderer->sharedinstancetest());
+        $this->assertEquals(1, $this->renderer->sharedinstancetest());
+        $this->assertEquals(1, $this->renderer->sharedinstancetest());
+
+        $helpers->setShared('sharedinstancetest',true);
+        // use shared instance when shared = true
+        $this->assertEquals(1, $this->renderer->sharedinstancetest());
+        $this->assertEquals(2, $this->renderer->sharedinstancetest());
+        $this->assertEquals(3, $this->renderer->sharedinstancetest());
+    }
 }