diff --git a/runtime/shim/client/client.go b/runtime/shim/client/client.go
index f6361288e..e46d6df3a 100644
--- a/runtime/shim/client/client.go
+++ b/runtime/shim/client/client.go
@@ -136,6 +136,7 @@ func newCommand(binary, daemonAddress string, debug bool, config shim.Config, so
 	// will be mounted by the shim
 	cmd.SysProcAttr = getSysProcAttr()
 	cmd.ExtraFiles = append(cmd.ExtraFiles, socket)
+	cmd.Env = append(os.Environ(), "GOMAXPROCS=2")
 	if debug {
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr