diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d6ec22be922931b7c6a36923a017789d2cfa3cb..58eedcdb65b91298cff7e02ef908ec06ab2f6c13 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,6 +150,7 @@ find_python_module(pyopencl REQUIRED)
 if(USE_MPI)
   find_package(MPI REQUIRED)
   find_python_module(mpi4py REQUIRED)
+  message("MPI Libraries (tests) : ${MPI_Fortran_LIBRARIES}, ${MPI_C_LIBRARIES}")
 endif()
 # --- Wheel, required for a proper build/install process ---
 find_python_module(wheel REQUIRED)