diff --git a/packages/cli/src/build.ts b/packages/cli/src/build.ts
index cbcd11c9..a5006e5b 100644
--- a/packages/cli/src/build.ts
+++ b/packages/cli/src/build.ts
@@ -61,10 +61,16 @@ export async function runBuild(appRoot: string): Promise<void> {
   // `.wrn` route files are compiled to `.ts` so Bun.build can bundle them.
   let compiledCount = 0;
   const importPathFor = (file: string): string => {
-    if (!file.endsWith(".wrn")) return fwd(file);
-    const ts = compileWireFile(readFileSync(file, "utf8"));
+    if (!file.endsWith(".wrn")) {
+      return fwd(file);
+    }
+
+    const ts = compileWireFile(readFileSync(file, "utf8"), file);
+
     const out = join(compiledDir, `route${compiledCount++}.ts`);
+
     writeFileSync(out, ts, "utf8");
+
     return fwd(out);
   };