diff --git a/.changeset/fluffy-insects-clap.md b/.changeset/fluffy-insects-clap.md
new file mode 100644
index 000000000000..0d46600b4872
--- /dev/null
+++ b/.changeset/fluffy-insects-clap.md
@@ -0,0 +1,5 @@
+---
+"wrangler": patch
+---
+
+Ignore non-JS files when compiling Pages Functions
diff --git a/packages/wrangler/pages/functions/filepath-routing.ts b/packages/wrangler/pages/functions/filepath-routing.ts
index 1ecc6e5074de..401893fc5a97 100644
--- a/packages/wrangler/pages/functions/filepath-routing.ts
+++ b/packages/wrangler/pages/functions/filepath-routing.ts
@@ -27,7 +27,7 @@ export async function generateConfigFromFileTree({
 
   await forEachFile(baseDir, async (filepath) => {
     const ext = path.extname(filepath);
-    if (/\.(mjs|js|ts)/.test(ext)) {
+    if (/^\.(mjs|js|ts|tsx|jsx)$/.test(ext)) {
       // transform the code to ensure we're working with vanilla JS + ESM
       const { code } = await transform(await fs.readFile(filepath, "utf-8"), {
         loader: ext === ".ts" ? "ts" : "js",