diff --git a/var/spack/repos/builtin/packages/arpack-ng/package.py b/var/spack/repos/builtin/packages/arpack-ng/package.py
index c7501b5a6db..5adc8c0b8ca 100644
--- a/var/spack/repos/builtin/packages/arpack-ng/package.py
+++ b/var/spack/repos/builtin/packages/arpack-ng/package.py
@@ -113,7 +113,7 @@ def install(self, spec, prefix):
         if '+mpi' in spec:
             options.extend([
                 '--enable-mpi',
-                'F77=mpif77' #FIXME: avoid hardcoding MPI wrapper names
+                'F77=%s' % spec['mpi'].mpif77
             ])
 
         if '~shared' in spec: