diff --git a/upload.py b/upload.py
index 2882b32..0cc740a 100644
--- a/upload.py
+++ b/upload.py
@@ -23,7 +23,7 @@ def main():
 	target_url = urljoin(urlbase, "program")
 	r = requests.post(target_url, json=program)
 	r.raise_for_status()
-	print(f"Upload complete, id of the uploaded program: {r.json['_id']}")
+	print(f"Upload complete, id of the uploaded program: {r.json()['_id']}")
 
 
 if __name__ == '__main__':