diff --git a/.changeset/eighty-hotels-train.md b/.changeset/eighty-hotels-train.md
new file mode 100644
index 000000000000..18ddd0e0a5b1
--- /dev/null
+++ b/.changeset/eighty-hotels-train.md
@@ -0,0 +1,5 @@
+---
+"wrangler": patch
+---
+
+make sure the script path is correctly resolved in `pages dev` when no directory is specified
diff --git a/packages/wrangler/src/pages/dev.ts b/packages/wrangler/src/pages/dev.ts
index d06e052c6c88..dd60b1bf6038 100644
--- a/packages/wrangler/src/pages/dev.ts
+++ b/packages/wrangler/src/pages/dev.ts
@@ -291,7 +291,7 @@ export const Handler = async ({
 	const workerScriptPath =
 		directory !== undefined
 			? join(directory, singleWorkerScriptPath)
-			: singleWorkerScriptPath;
+			: resolve(singleWorkerScriptPath);
 	const usingWorkerDirectory =
 		existsSync(workerScriptPath) && lstatSync(workerScriptPath).isDirectory();
 	const usingWorkerScript = existsSync(workerScriptPath);