diff --git a/deno_dir.go b/deno_dir.go
index 49d1e06960..60378f6892 100644
--- a/deno_dir.go
+++ b/deno_dir.go
@@ -3,6 +3,7 @@ package main
 import (
 	"crypto/md5"
 	"encoding/hex"
+	"flag"
 	"io"
 	"io/ioutil"
 	"net/http"
@@ -12,6 +13,9 @@ import (
 	"strings"
 )
 
+var flagCacheDir = flag.String("cachedir", "",
+	"Where to cache compilation artifacts. Default: ~/.deno")
+
 var DenoDir string
 var CacheDir string
 var SrcDir string
@@ -90,10 +94,10 @@ func UserHomeDir() string {
 }
 
 func createDirs() {
-	if *flagRoot == "" {
+	if *flagCacheDir == "" {
 		DenoDir = path.Join(UserHomeDir(), ".deno")
 	} else {
-		DenoDir = *flagRoot
+		DenoDir = *flagCacheDir
 	}
 	CacheDir = path.Join(DenoDir, "cache")
 	err := os.MkdirAll(CacheDir, 0700)
diff --git a/integration_test.go b/integration_test.go
index 4c525544c4..f1a60f499d 100644
--- a/integration_test.go
+++ b/integration_test.go
@@ -59,7 +59,7 @@ func checkOutput(t *testing.T, outFile string, denoFn string) {
 		panic(err)
 	}
 
-	cmd := exec.Command(denoFn, "--root="+dir, jsFile)
+	cmd := exec.Command(denoFn, "--cachedir="+dir, jsFile)
 	var out bytes.Buffer
 	cmd.Stdout = &out
 	err = cmd.Run()
diff --git a/main.go b/main.go
index c7b92f17ed..d557ab2045 100644
--- a/main.go
+++ b/main.go
@@ -13,8 +13,6 @@ var flagReload = flag.Bool("reload", false, "Reload cached remote source code.")
 var flagV8Options = flag.Bool("v8-options", false, "Print V8 command line options.")
 var flagDebug = flag.Bool("debug", false, "Enable debug output.")
 var flagGoProf = flag.String("goprof", "", "Write golang cpu profile to file.")
-var flagRoot = flag.String("root", "",
-	"Where to cache compilation artifacts. Default: ~/.deno")
 
 func stringAsset(path string) string {
 	data, err := Asset("dist/" + path)