diff --git a/CMakeLists_files.cmake b/CMakeLists_files.cmake
index 6075ba58577..89f80e33fe3 100644
--- a/CMakeLists_files.cmake
+++ b/CMakeLists_files.cmake
@@ -533,6 +533,7 @@ list (APPEND TEST_SOURCE_FILES
   tests/test_wellmodel.cpp
   tests/test_wellprodindexcalculator.cpp
   tests/test_wellstate.cpp
+  tests/test_wontpass.cpp
 )
 
 if(MPI_FOUND)