diff --git a/build.ts b/build.ts
index 895b809..f954bc5 100644
--- a/build.ts
+++ b/build.ts
@@ -15,6 +15,10 @@ import logger from "jet-logger";
     await remove("./dist/");
     // Copy back-end files
     await exec("tsc --build tsconfig.prod.json && npx tsc-alias -p tsconfig.prod.json", "./");
+    // Verify production entrypoint exists to prevent deploy startup crashes
+    if (!fs.existsSync("./dist/index.js")) {
+      throw new Error("Build Error: dist/index.js was not generated. Check compilerOptions.rootDir configuration!");
+    }
   } catch (err) {
     logger.err(err);
     process.exit(1);
diff --git a/tsconfig.prod.json b/tsconfig.prod.json
index 07e12cf..b6b615e 100644
--- a/tsconfig.prod.json
+++ b/tsconfig.prod.json
@@ -2,7 +2,8 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "sourceMap": false,
-    "removeComments": true
+    "removeComments": true,
+    "rootDir": "./src"
   },
   "exclude": [
     "spec",