diff --git a/Modules/Core/test/mitkImageDataItemTest.cpp b/Modules/Core/test/mitkImageDataItemTest.cpp
index 735c88d1ae..c17d46b8a7 100644
--- a/Modules/Core/test/mitkImageDataItemTest.cpp
+++ b/Modules/Core/test/mitkImageDataItemTest.cpp
@@ -1,74 +1,74 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include <array>
 
 #include "mitkTestFixture.h"
 #include "mitkTestingMacros.h"
 
 #include <mitkImageDataItem.h>
 
 #include <mitkPixelType.h>
 #include <mitkImage.h>
 #include <mitkImagePixelWriteAccessor.h>
 
 class mitkImageDataItemTestSuite : public mitk::TestFixture
 {
   CPPUNIT_TEST_SUITE(mitkImageDataItemTestSuite);
   MITK_TEST(TestAccessOnHugeImage);
   CPPUNIT_TEST_SUITE_END();
 
 private:
   mitk::Image::Pointer m_Image;
 
 public:
   void setUp() override
   {
     m_Image = mitk::Image::New();
     mitk::PixelType pixelType = mitk::MakeScalarPixelType<unsigned char>();
 
-    std::array<unsigned int, 3> dimensions = { 1700, 1700, 1700 };
+    std::array<unsigned int, 3> dimensions = {{ 1700, 1700, 1700 }};
     m_Image->Initialize(pixelType, 3, dimensions.data());
   }
 
   void TestAccessOnHugeImage()
   {
     CPPUNIT_ASSERT(m_Image.IsNotNull());
 
     try
     {
       mitk::ImagePixelWriteAccessor<unsigned char, 3> writeAccess(m_Image.GetPointer(), m_Image->GetVolumeData());
 
       auto* voxelStart = writeAccess.GetData();
       size_t imageSize = 1;
       for (unsigned int i = 0; i < m_Image->GetDimension(); i++)
         imageSize *= m_Image->GetDimension(i);
 
       auto* voxelEnd = voxelStart + imageSize;
 
       CPPUNIT_ASSERT(writeAccess.GetData() != nullptr);
       auto* accessCheck = voxelEnd - 1;
       *accessCheck = 1;
     }
     catch (const itk::MemoryAllocationError& e)
     {
       MITK_ERROR << e.what();
       exit(77);
     }
   }
 };
 
 MITK_TEST_SUITE_REGISTRATION(mitkImageDataItem)