diff --git a/package.json b/package.json
index 632b9fb..7009e08 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
 	"_v": "1.5.0",
 	"main": "./built/index.js",
 	"scripts": {
-		"start": "node ./built",
+		"start": "./start.sh",
 		"build": "tsc",
 		"test": "jest"
 	},
diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..40ab92c
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+if (! which mecab) && (grep keywordEnabled config.json | grep -q true); then
+  echo "You must install MeCab if keywordEnabled is true."
+  exit 1
+fi
+
+node ./built