diff --git a/package.json b/package.json
index 590e3e38..7f4b66f6 100644
--- a/package.json
+++ b/package.json
@@ -479,7 +479,7 @@
 		"deploy": "vsce publish -p",
 		"lint": "eslint 'src/**/*.ts' 'preview-src/**/*.ts' --format unix",
 		"lint:fix": "npm run lint -- --fix",
-		"pretest": "npm run build",
+		"pretest": "tsc -p ./ && npm run build",
 		"test": "node ./dist/src/test/runTest.js"
 	},
 	"devDependencies": {