diff --git a/lib/Client/InternalClient.js b/lib/Client/InternalClient.js
index 6081d8f2c..3d9598253 100644
--- a/lib/Client/InternalClient.js
+++ b/lib/Client/InternalClient.js
@@ -578,7 +578,7 @@ var InternalClient = (function () {
 
 		if (!name) {
 			if (_file instanceof String || typeof _file === "string") {
-				name = require("path").basename(attachment);
+				name = require("path").basename(_file);
 			} else if (_file.path) {
 				// fs.createReadStream()'s have .path that give the path. Not sure about other streams though.
 				name = require("path").basename(_file.path);
diff --git a/src/Client/InternalClient.js b/src/Client/InternalClient.js
index f596136a6..15a32bde4 100644
--- a/src/Client/InternalClient.js
+++ b/src/Client/InternalClient.js
@@ -465,7 +465,7 @@ export default class InternalClient {
 
 		if (!name) {
 			if (_file instanceof String || typeof _file === "string") {
-				name = require("path").basename(attachment);
+				name = require("path").basename(_file);
 			} else if (_file.path) {
 				// fs.createReadStream()'s have .path that give the path. Not sure about other streams though.
 				name = require("path").basename(_file.path);