diff --git a/hyteg_integration_tests/CMakeLists.txt b/hyteg_integration_tests/CMakeLists.txt
index 2ace5ab1c64d66c8e71411128de7d5e1e19ee09d..268e48f253a4d9d912309fba30c6c31c02f94658 100644
--- a/hyteg_integration_tests/CMakeLists.txt
+++ b/hyteg_integration_tests/CMakeLists.txt
@@ -4,7 +4,7 @@ project(hyteg_integration_tests)
 add_compile_options( "-Wno-unused-variable" )
 
 list(APPEND WALBERLA_MODULE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/hyteg/src" "${CMAKE_CURRENT_SOURCE_DIR}/hyteg/tests")
-add_subdirectory(hyteg)
+add_subdirectory(hyteg SYSTEM)
 waLBerla_import()
 
 # add a convenience interface target to link against