diff --git a/var/spack/repos/builtin/packages/go/package.py b/var/spack/repos/builtin/packages/go/package.py
index 8f3647c06fa..9d798a7d8c7 100644
--- a/var/spack/repos/builtin/packages/go/package.py
+++ b/var/spack/repos/builtin/packages/go/package.py
@@ -116,6 +116,7 @@ def setup_build_environment(self, env):
         # internal Spack wrappers and fail.
         env.set("CC_FOR_TARGET", self.compiler.cc)
         env.set("CXX_FOR_TARGET", self.compiler.cxx)
+        env.set("GOMAXPROCS", make_jobs)
 
     def setup_dependent_package(self, module, dependent_spec):
         """Called before go modules' install() methods.