diff --git a/package.json b/package.json
index a1a36d0f..3cad70bd 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
     "productName": "Leaphy Webbased",
     "author": "Leaphy Robotics",
     "description": "Build Leaphy Arduino programs",
-    "version": "2.0.3",
+    "version": "2.0.4",
     "license": "GPLv3",
     "main": "src/main.ts",
     "scripts": {
diff --git a/src/app/services/arduino-uploader/ArduinoUploader.ts b/src/app/services/arduino-uploader/ArduinoUploader.ts
index 0f7de877..b147bb67 100644
--- a/src/app/services/arduino-uploader/ArduinoUploader.ts
+++ b/src/app/services/arduino-uploader/ArduinoUploader.ts
@@ -50,6 +50,12 @@ class Arduino {
      * @param callback A callback function to call when the upload status changes.
      */
     async upload(program: string, callback = (message: string) => {}) {
+        if (this.robotWiredState.getAbortController() != null) {
+            this.robotWiredState.getAbortController().abort("Upload started");
+            this.robotWiredState.setAbortController(null);
+            await delay(1000);
+        }
+
         if (this.isUploading)
             throw new Error('Arduino is already uploading')
         this.robotWiredState.clearUploadLog()