diff --git a/package.json b/package.json
index 20db802..dcfa4ec 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   },
   "scripts": {
     "build": "dev-scripts/build-extension.sh",
+    "pretest": "tsc",
     "test": "jasmine-browser-runner runSpecs"
   }
 }
diff --git a/spec/support/jasmine-browser.mjs b/spec/support/jasmine-browser.mjs
index 9e5c86d..005a475 100644
--- a/spec/support/jasmine-browser.mjs
+++ b/spec/support/jasmine-browser.mjs
@@ -1,5 +1,5 @@
 export default {
-  srcDir: "src",
+  srcDir: "scripts",
   // srcFiles should usually be left empty when using ES modules, because you'll
   // explicitly import sources from your specs.
   srcFiles: [],