diff --git a/packages/generator/src/generators/app-generator.ts b/packages/generator/src/generators/app-generator.ts
index 83f032b03b..4f98334184 100644
--- a/packages/generator/src/generators/app-generator.ts
+++ b/packages/generator/src/generators/app-generator.ts
@@ -31,9 +31,9 @@ export class AppGenerator extends Generator<AppGeneratorOptions> {
 
   filesToIgnore() {
     if (!this.options.useTs) {
-      return ["tsconfig.json", "blitz-env.d.ts"]
+      return ["tsconfig.json", "blitz-env.d.ts", "jest.config.ts"]
     }
-    return ["jsconfig.json"]
+    return ["jsconfig.json", "jest.config.js"]
   }
 
   async getTemplateValues() {
diff --git a/packages/generator/templates/app/jest.config.ts b/packages/generator/templates/app/jest.config.ts
new file mode 100644
index 0000000000..30fe3fc967
--- /dev/null
+++ b/packages/generator/templates/app/jest.config.ts
@@ -0,0 +1,7 @@
+import type { Config } from "@jest/types"
+
+const config: Config.InitialOptions = {
+  preset: "blitz",
+}
+
+export default config