diff --git a/Tests/FunctionalTests/TestCore/CMakeLists.txt b/Tests/FunctionalTests/TestCore/CMakeLists.txt
index 5452617a10d15830cfb82815411fc8d17d5d9807..3f29dbfca5d297cb5ae923f882f4828d35de9230 100644
--- a/Tests/FunctionalTests/TestCore/CMakeLists.txt
+++ b/Tests/FunctionalTests/TestCore/CMakeLists.txt
@@ -16,7 +16,7 @@ set(list_of_tests
     "IsGISAXS10"
     "IsGISAXS11"
     "IsGISAXS15"
-#    "MesoCrystal1"
+    "MesoCrystal1"
 )
 
 foreach(_test ${list_of_tests})
diff --git a/Tests/FunctionalTests/TestCore/MesoCrystal1/MesoCrystal1.cpp b/Tests/FunctionalTests/TestCore/MesoCrystal1/MesoCrystal1.cpp
index 831bbded7e4e155dd69fa7c4c1ed71ad4f7aa659..49c7434262bb85436a4e6404c1e11bce904fd943 100644
--- a/Tests/FunctionalTests/TestCore/MesoCrystal1/MesoCrystal1.cpp
+++ b/Tests/FunctionalTests/TestCore/MesoCrystal1/MesoCrystal1.cpp
@@ -36,7 +36,7 @@ void MesoCrystal1::MesoCrystal1::run(const std::string &path_to_data)
     simulation->runSimulation();
     simulation->normalize();
     m_result = simulation->getOutputDataClone();
-//    OutputDataIOFactory::writeOutputData(*result, "reference.txt");
+    //OutputDataIOFactory::writeOutputData(*m_result, "reference.txt");
 }
 
 
diff --git a/Tests/FunctionalTests/TestPyCore/CMakeLists.txt b/Tests/FunctionalTests/TestPyCore/CMakeLists.txt
index b977334b8ec843f58e2b4504f5ef1dd2c56c5d9c..7a20a444ec7d113a000e59ed4e38236ee0f3077e 100644
--- a/Tests/FunctionalTests/TestPyCore/CMakeLists.txt
+++ b/Tests/FunctionalTests/TestPyCore/CMakeLists.txt
@@ -14,7 +14,7 @@ set(list_of_tests
     "isgisaxs10.py"
     "isgisaxs11.py"
     "isgisaxs15.py"
-#    "mesocrystal1.py"
+    "mesocrystal1.py"
 )
 
 foreach(_test ${list_of_tests})
diff --git a/Tests/ReferenceData/BornAgain/mesocrystal1b_reference.txt.gz b/Tests/ReferenceData/BornAgain/mesocrystal1b_reference.txt.gz
index bbae763b215b3b4ca389481e00f74cf7252858c2..699a87196e4ca633b9021a859badd4a8f361b778 100644
Binary files a/Tests/ReferenceData/BornAgain/mesocrystal1b_reference.txt.gz and b/Tests/ReferenceData/BornAgain/mesocrystal1b_reference.txt.gz differ