diff --git a/var/spack/repos/builtin/packages/neurodamus/package.py b/var/spack/repos/builtin/packages/neurodamus/package.py
index 80bf985499832..b37f1c15c2c5f 100644
--- a/var/spack/repos/builtin/packages/neurodamus/package.py
+++ b/var/spack/repos/builtin/packages/neurodamus/package.py
@@ -85,6 +85,7 @@ def syn2_dep_libs(self):
 
     def install(self, spec, prefix):
         with working_dir(prefix):
+            env['MAKEFLAGS'] = '-j{0}'.format(make_jobs)
             modlib = os.path.relpath(self.spec['neurodamus-base'].prefix.lib.modlib)
             profile_flag = '-DENABLE_TAU_PROFILER' if '+profile' in spec else ''
             include_flag = ''