diff --git a/coreos-cloudinit.go b/coreos-cloudinit.go
index 11fa3fe..e2b43c1 100644
--- a/coreos-cloudinit.go
+++ b/coreos-cloudinit.go
@@ -19,6 +19,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"runtime"
 	"sync"
 	"time"
 
@@ -129,6 +130,12 @@ var (
 func main() {
 	failure := false
 
+	// Conservative Go 1.5 upgrade strategy:
+	// keep GOMAXPROCS' default at 1 for now.
+	if os.Getenv("GOMAXPROCS") == "" {
+		runtime.GOMAXPROCS(1)
+	}
+
 	flag.Parse()
 
 	if c, ok := oemConfigs[flags.oem]; ok {
diff --git a/test b/test
index 8853dfa..95daad5 100755
--- a/test
+++ b/test
@@ -31,7 +31,7 @@ gofmt -d -e $SRC
 
 # split SRC into an array and prepend REPO_PATH to each local package for go vet
 split_vet=(${SRC// / })
-VET_TEST=${split_vet[@]/#/${REPO_PATH}/}
+VET_TEST="${REPO_PATH} ${split_vet[@]/#/${REPO_PATH}/}"
 
 echo "Checking govet..."
 go vet $VET_TEST