diff --git a/WebHostLib/__init__.py b/WebHostLib/__init__.py
index 6463540e..a471d4eb 100644
--- a/WebHostLib/__init__.py
+++ b/WebHostLib/__init__.py
@@ -28,7 +28,7 @@ app.config["SELFLAUNCH"] = True
 app.config["DEBUG"] = False
 app.config["PORT"] = 80
 app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
-app.config['MAX_CONTENT_LENGTH'] = 4 * 1024 * 1024  # 4 megabyte limit
+app.config['MAX_CONTENT_LENGTH'] = 64 * 1024 * 1024  # 64 megabyte limit
 # if you want to deploy, make sure you have a non-guessable secret key
 app.config["SECRET_KEY"] = bytes(socket.gethostname(), encoding="utf-8")
 # at what amount of worlds should scheduling be used, instead of rolling in the webthread
diff --git a/WebHostLib/upload.py b/WebHostLib/upload.py
index 8a4c1ce3..64537295 100644
--- a/WebHostLib/upload.py
+++ b/WebHostLib/upload.py
@@ -48,7 +48,7 @@ def upload_zip_to_db(zfile: zipfile.ZipFile, owner=None, meta={"race": False}, s
 
         elif file.filename.endswith(".zip"):
             # Factorio mods need a specific name or they do not function
-            _, seed_name, slot_id, slot_name = file.filename.rsplit("_", 1)[0].split("-")
+            _, seed_name, slot_id, slot_name = file.filename.rsplit("_", 1)[0].split("-", 3)
             slots.add(Slot(data=zfile.open(file, "r").read(), player_name=slot_name,
                            player_id=int(slot_id[1:]), game="Factorio"))
 
@@ -112,7 +112,7 @@ def uploads():
                         flush()  # place into DB and generate ids
                         return redirect(url_for("viewSeed", seed=seed.id))
             else:
-                flash("Not recognized file format. Awaiting a .multidata file.")
+                flash("Not recognized file format. Awaiting a .archipelago file or .zip containing one.")
     return render_template("hostGame.html")