diff --git a/src/Illuminate/Cache/Repository.php b/src/Illuminate/Cache/Repository.php
index d0619c7ee00a..0c81c630a3b3 100755
--- a/src/Illuminate/Cache/Repository.php
+++ b/src/Illuminate/Cache/Repository.php
@@ -283,7 +283,7 @@ protected function putManyForever(array $values)
      */
     public function setMultiple($values, $ttl = null)
     {
-        return $this->putMany($values, $ttl);
+        return $this->putMany(is_array($values) ? $values : iterator_to_array($values), $ttl);
     }
 
     /**
diff --git a/tests/Cache/CacheRepositoryTest.php b/tests/Cache/CacheRepositoryTest.php
index 5ead0cb50c8d..0753c4c7d2f4 100755
--- a/tests/Cache/CacheRepositoryTest.php
+++ b/tests/Cache/CacheRepositoryTest.php
@@ -5,6 +5,7 @@
 use DateTime;
 use DateInterval;
 use Mockery as m;
+use ArrayIterator;
 use DateTimeImmutable;
 use Illuminate\Support\Carbon;
 use PHPUnit\Framework\TestCase;
@@ -130,15 +131,22 @@ public function testPuttingMultipleItemsInCache()
         $repo->put(['foo' => 'bar', 'bar' => 'baz'], 1);
     }
 
-    public function testSettingMultipleItemsInCache()
+    public function testSettingMultipleItemsInCacheArray()
     {
-        // Alias of PuttingMultiple
         $repo = $this->getRepository();
         $repo->getStore()->shouldReceive('putMany')->once()->with(['foo' => 'bar', 'bar' => 'baz'], 1)->andReturn(true);
         $result = $repo->setMultiple(['foo' => 'bar', 'bar' => 'baz'], 1);
         $this->assertTrue($result);
     }
 
+    public function testSettingMultipleItemsInCacheIterator()
+    {
+        $repo = $this->getRepository();
+        $repo->getStore()->shouldReceive('putMany')->once()->with(['foo' => 'bar', 'bar' => 'baz'], 1)->andReturn(true);
+        $result = $repo->setMultiple(new ArrayIterator(['foo' => 'bar', 'bar' => 'baz']), 1);
+        $this->assertTrue($result);
+    }
+
     public function testPutWithNullTTLRemembersItemForever()
     {
         $repo = $this->getRepository();