diff --git a/ft_build/compiler/index.ts b/ft_build/compiler/index.ts
index fdaea8e3..72dddb1b 100644
--- a/ft_build/compiler/index.ts
+++ b/ft_build/compiler/index.ts
@@ -34,10 +34,17 @@ export default async function generateConfig(
         await addPackages(requiredDependencies.map((p: any) => ({ name: p })));
       }
 
-      await asyncExecute(
+      const isFunctionConfigValid = await asyncExecute(
         "cd build/functions/src; tsc functionConfig.ts",
-        commandErrorHandler({ user })
+        commandErrorHandler({
+          user,
+          functionConfigTs: configFile,
+          description: `Invalid compiled functionConfig.ts`,
+        })
       );
+      if (!isFunctionConfigValid) {
+        return false;
+      }
 
       const { sparksConfig } = require("../functions/src/functionConfig.js");
       const requiredSparks = sparksConfig.map((s: any) => s.type);
diff --git a/ft_build/compiler/terminal.ts b/ft_build/compiler/terminal.ts
index 545af158..475bcbe1 100644
--- a/ft_build/compiler/terminal.ts
+++ b/ft_build/compiler/terminal.ts
@@ -13,7 +13,7 @@ export const asyncExecute = async (command: string, callback: any) =>
     child.exec(command, async function (error, stdout, stderr) {
       console.log({ error, stdout, stderr });
       await callback(error, stdout, stderr);
-      resolve(true);
+      resolve(!error);
     });
   });
 
diff --git a/ft_build/utils.ts b/ft_build/utils.ts
index 5996d33f..0d0725cd 100644
--- a/ft_build/utils.ts
+++ b/ft_build/utils.ts
@@ -15,7 +15,7 @@ function firetableUser(user: admin.auth.UserRecord) {
 export function commandErrorHandler(meta: {
   user: admin.auth.UserRecord;
   description?: string;
-  combiledScript?: string;
+  functionConfigTs?: string;
   sparksConfig?: string;
 }) {
   return async function (error, stdout, stderr) {
@@ -32,7 +32,7 @@ export function commandErrorHandler(meta: {
       errorStackTrace: error?.stack ?? "",
       command: error?.cmd ?? "",
       description: meta?.description ?? "",
-      combiledScript: meta?.combiledScript ?? "",
+      functionConfigTs: meta?.functionConfigTs ?? "",
       sparksConfig: meta?.sparksConfig ?? "",
     };