diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21df4b9b443c6bad26f1b1804ae1dc0d03b1a39c..5fb3ed6620e60dced983120eea481eaf68904dfe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,13 +159,13 @@ IF( OGS_BUILD_TESTS AND NOT IS_SUBPROJECT )
 
 	IF(OGS_USE_MPI)
 		ADD_SUBDIRECTORY( SimpleTests/MeshTests/MPI )
-	ELSE(OGS_USE_MPI)
+	ELSE()
 		ADD_SUBDIRECTORY( SimpleTests/MatrixTests EXCLUDE_FROM_ALL )
 		ADD_SUBDIRECTORY( SimpleTests/MeshTests EXCLUDE_FROM_ALL )
 		IF(NOT MSVC AND BLAS_FOUND AND LAPACK_FOUND)
 			ADD_SUBDIRECTORY( SimpleTests/SolverTests EXCLUDE_FROM_ALL )
 		ENDIF()
-	ENDIF(OGS_USE_MPI)
+	ENDIF()
 
 	# Create a target 'data', which downloads all referenced data sets into the build tree
 	# This has to be defined after all tests are defined