diff --git a/modules/mpi.cmake b/modules/mpi.cmake
index 5558599..7f73eac 100644
--- a/modules/mpi.cmake
+++ b/modules/mpi.cmake
@@ -35,7 +35,7 @@ if(ENABLE_MPI AND NOT MPI_FOUND)
         endif()
         include_directories(${MPI_INCLUDE_PATH})
 
-        add_definitions(-DENABLE_MPI)
+        add_definitions(-DHAVE_MPI)
     else()
         message(FATAL_ERROR "-- You asked for MPI, but CMake could not find any MPI installation, check $PATH")
     endif()
diff --git a/modules/omp.cmake b/modules/omp.cmake
index 4df45fa..9784868 100644
--- a/modules/omp.cmake
+++ b/modules/omp.cmake
@@ -46,7 +46,7 @@ if(ENABLE_OPENMP)
     endif()
 
     if(OPENMP_FOUND)
-        add_definitions(-DENABLE_OPENMP)
+        add_definitions(-DHAVE_OPENMP)
         if(DEFINED CMAKE_C_COMPILER_ID)
             set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
         endif()