diff --git a/src/Illuminate/Database/Concerns/BuildsQueries.php b/src/Illuminate/Database/Concerns/BuildsQueries.php
index 9f56e80fd428..dcaac537f809 100644
--- a/src/Illuminate/Database/Concerns/BuildsQueries.php
+++ b/src/Illuminate/Database/Concerns/BuildsQueries.php
@@ -140,7 +140,7 @@ public function chunkById($count, callable $callback, $column = null, $alias = n
                 return false;
             }
 
-            $lastId = $results->last()->{$alias};
+            $lastId = data_get($results->last(), $alias);
 
             if ($lastId === null) {
                 throw new RuntimeException("The chunkById operation was aborted because the [{$alias}] column is not present in the query result.");
diff --git a/tests/Database/DatabaseQueryBuilderTest.php b/tests/Database/DatabaseQueryBuilderTest.php
index 1a750a482139..e070dd3ada37 100755
--- a/tests/Database/DatabaseQueryBuilderTest.php
+++ b/tests/Database/DatabaseQueryBuilderTest.php
@@ -3694,6 +3694,29 @@ public function testChunkWithCountZero()
         });
     }
 
+    public function testChunkByIdOnArrays()
+    {
+        $builder = $this->getMockQueryBuilder();
+        $builder->orders[] = ['column' => 'foobar', 'direction' => 'asc'];
+
+        $chunk1 = collect([['someIdField' => 1], ['someIdField' => 2]]);
+        $chunk2 = collect([['someIdField' => 10], ['someIdField' => 11]]);
+        $chunk3 = collect([]);
+        $builder->shouldReceive('forPageAfterId')->once()->with(2, 0, 'someIdField')->andReturnSelf();
+        $builder->shouldReceive('forPageAfterId')->once()->with(2, 2, 'someIdField')->andReturnSelf();
+        $builder->shouldReceive('forPageAfterId')->once()->with(2, 11, 'someIdField')->andReturnSelf();
+        $builder->shouldReceive('get')->times(3)->andReturn($chunk1, $chunk2, $chunk3);
+
+        $callbackAssertor = m::mock(stdClass::class);
+        $callbackAssertor->shouldReceive('doSomething')->once()->with($chunk1);
+        $callbackAssertor->shouldReceive('doSomething')->once()->with($chunk2);
+        $callbackAssertor->shouldReceive('doSomething')->never()->with($chunk3);
+
+        $builder->chunkById(2, function ($results) use ($callbackAssertor) {
+            $callbackAssertor->doSomething($results);
+        }, 'someIdField');
+    }
+
     public function testChunkPaginatesUsingIdWithLastChunkComplete()
     {
         $builder = $this->getMockQueryBuilder();