diff --git a/controllers/convert.js b/controllers/convert.js
index ab0d261..d750562 100644
--- a/controllers/convert.js
+++ b/controllers/convert.js
@@ -31,7 +31,7 @@ export const convert = async (req, res) => {
 					.send("No 'files' field provided in request FormData.")
 			);
 
-		const {
+		let {
 			files: { files }, // Multer stores all file fields in a "files" object, which is what cause the nesting.
 		} = req;
 
@@ -76,6 +76,8 @@ export const convert = async (req, res) => {
 					)
 			);
 
+		files = fileConverter.__transformFiles(files);
+
 		for (const { mimetype } of files)
 			if (!moduleObject.convertsFrom(mimetype))
 				return await unlinkAndGo(req.files, () =>
@@ -141,11 +143,7 @@ export const convert = async (req, res) => {
 			}
 		}
 
-		const job = fileConverter.createJob(
-			fileConverter.__transformFiles(files),
-			moduleObject,
-			parsedOptions
-		);
+		const job = fileConverter.createJob(files, moduleObject, parsedOptions);
 
 		res.status(200).send({ jobId: job._id });
 
diff --git a/package.json b/package.json
index 94c0b27..29cd2e5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@nottimtam/file-converter",
-	"version": "1.2.17",
+	"version": "1.2.18",
 	"description": "A headless, self-hostable, open-source file conversion express middleware.",
 	"main": "index.js",
 	"type": "module",