diff --git a/var/spack/repos/builtin/packages/fms/package.py b/var/spack/repos/builtin/packages/fms/package.py
index 95465966a5683e..4bfbe8426fd96b 100644
--- a/var/spack/repos/builtin/packages/fms/package.py
+++ b/var/spack/repos/builtin/packages/fms/package.py
@@ -112,4 +112,8 @@ def cmake_args(self):
             self.define_from_variant("USE_DEPRECATED_IO", "deprecated_io"),
         ]
 
+        args.append(self.define("CMAKE_C_COMPILER", self.spec["mpi"].mpicc))
+        args.append(self.define("CMAKE_CXX_COMPILER", self.spec["mpi"].mpicxx))
+        args.append(self.define("CMAKE_Fortran_COMPILER", self.spec["mpi"].mpifc))
+
         return args