diff --git a/package.json b/package.json
index df88fda..807230e 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "scripts": {
     "badge": "mocha --reporter mocha-badge-generator",
     "coverage": "npx nyc --reporter=text mocha",
-    "build-condition-parser": "npx mkdirp build && ./node_modules/peggy/bin/peggy.js -o build/ConditionParser.js lib/peggy/Apigee-Condition.pegjs",
+    "build-condition-parser": "npx mkdirp build && npx peggy -o build/ConditionParser.js lib/peggy/Apigee-Condition.pegjs",
     "postinstall": "npm run build-condition-parser",
     "pretest": "npm run build-condition-parser",
     "test": "mocha"