diff --git a/generate/generate.go b/generate/generate.go
index 816305f0..a732dfa8 100644
--- a/generate/generate.go
+++ b/generate/generate.go
@@ -506,6 +506,12 @@ func (g *Generator) SetProcessArgs(args []string) {
 	g.Config.Process.Args = args
 }
 
+// SetProcessExecCPUAffinity sets g.Config.Process.ExecCPUAffinity.
+func (g *Generator) SetProcessExecCPUAffinity(execCPUAffinity *rspec.CPUAffinity) {
+	g.initConfigProcess()
+	g.Config.Process.ExecCPUAffinity = execCPUAffinity
+}
+
 // ClearProcessEnv clears g.Config.Process.Env.
 func (g *Generator) ClearProcessEnv() {
 	if g.Config == nil || g.Config.Process == nil {
diff --git a/generate/generate_test.go b/generate/generate_test.go
index b27dc3fc..5b88a5c7 100644
--- a/generate/generate_test.go
+++ b/generate/generate_test.go
@@ -10,6 +10,8 @@ import (
 	"github.com/opencontainers/runtime-tools/generate"
 	"github.com/opencontainers/runtime-tools/specerror"
 	"github.com/opencontainers/runtime-tools/validate"
+
+	rspec "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -155,3 +157,14 @@ func TestMultipleEnvCaching(t *testing.T) {
 	g.AddMultipleProcessEnv([]string{})
 	assert.Equal(t, []string(nil), g.Config.Process.Env)
 }
+
+func TestSetProcessExecCPUAffinity(t *testing.T) {
+	g, err := generate.New("linux")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	g.SetProcessExecCPUAffinity(&rspec.CPUAffinity{Initial: "1", Final: "2"})
+	assert.Equal(t, "1", g.Config.Process.ExecCPUAffinity.Initial)
+	assert.Equal(t, "2", g.Config.Process.ExecCPUAffinity.Final)
+}