diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index d89737e62d22..0532a468bca2 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -146,15 +146,17 @@ public function average($callback = null)
      */
     public function median($key = null)
     {
-        $count = $this->count();
+        $values = (isset($key) ? $this->pluck($key) : $this)
+            ->filter(function ($item) {
+                return ! is_null($item);
+            })->sort()->values();
+
+        $count = $values->count();
 
         if ($count == 0) {
             return;
         }
 
-        $values = (isset($key) ? $this->pluck($key) : $this)
-                    ->sort()->values();
-
         $middle = (int) ($count / 2);
 
         if ($count % 2) {
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index 3601dca9c062..c5d47a59dd28 100755
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -2251,6 +2251,17 @@ public function testMedianValueByKey()
         $this->assertEquals(2, $collection->median('foo'));
     }
 
+    public function testMedianOnCollectionWithNull()
+    {
+        $collection = new Collection([
+            (object) ['foo' => 1],
+            (object) ['foo' => 2],
+            (object) ['foo' => 4],
+            (object) ['foo' => null],
+        ]);
+        $this->assertEquals(2, $collection->median('foo'));
+    }
+
     public function testEvenMedianCollection()
     {
         $collection = new Collection([