diff --git a/RoseTTAFold2.ipynb b/RoseTTAFold2.ipynb
index 72e2864a..0aa65fa6 100644
--- a/RoseTTAFold2.ipynb
+++ b/RoseTTAFold2.ipynb
@@ -57,11 +57,11 @@
         "import os, time, sys\n",
         "os.environ[\"PYTORCH_CUDA_ALLOC_CONF\"] = \"max_split_size_mb:512\"\n",
         "\n",
-        "if params == \"RF2_jan24\" and not os.path.isfile(\"RF2_jan24.tgz\"):\n",
+        "if params == \"RF2_jan24\" and not os.path.isfile(f\"{params}.tgz\"):\n",
         "  # send param download into background\n",
         "  os.system(\"(apt-get install aria2; aria2c -q -x 16 https://files.ipd.uw.edu/dimaio/RF2_jan24.tgz) &\")\n",
         "\n",
-        "if params == \"RF2_apr23\" and not os.path.isfile(\"RF2_apr23.tgz\"):\n",
+        "if params == \"RF2_apr23\" and not os.path.isfile(f\"{params}.tgz\"):\n",
         "  # send param download into background\n",
         "  os.system(\"(apt-get install aria2; aria2c -q -x 16 https://files.ipd.uw.edu/dimaio/RF2_apr23.tgz) &\")\n",
         "\n",
@@ -86,19 +86,18 @@
         "  os.makedirs(\"hhsuite\", exist_ok=True)\n",
         "  os.system(f\"curl -fsSL https://github.com/soedinglab/hh-suite/releases/download/v3.3.0/hhsuite-3.3.0-SSE2-Linux.tar.gz | tar xz -C hhsuite/\")\n",
         "\n",
+        "if not os.path.isfile(f\"{params}.pt\"):\n",
+        "  time.sleep(5)\n",
         "\n",
         "if os.path.isfile(f\"{params}.tgz.aria2\"):\n",
         "  print(\"downloading RoseTTAFold2 params\")\n",
         "  while os.path.isfile(f\"{params}.tgz.aria2\"):\n",
         "    time.sleep(5)\n",
         "\n",
-        "if params == \"RF2_jan24\":\n",
-        "  model_params = f\"{params}.pt\"\n",
-        "if params == \"RF2_apr23\":\n",
-        "  model_params = f\"weights/{params}.pt\"\n",
-        "\n",
-        "if not os.path.isfile(model_params):\n",
+        "if not os.path.isfile(f\"{params}.pt\"):\n",
         "  os.system(f\"tar -zxvf {params}.tgz\")\n",
+        "  if params == \"RF2_apr23\":\n",
+        "    os.system(f\"mv weights/{params}.pt .\")\n",
         "\n",
         "if not \"IMPORTED\" in dir():\n",
         "  if 'RoseTTAFold2/network' not in sys.path:\n",
@@ -125,16 +124,16 @@
         "\n",
         "  IMPORTED = True\n",
         "\n",
-        "if not \"pred\" in dir() or model_params_sele != model_params:\n",
+        "if not \"pred\" in dir() or params_sele != params:\n",
         "  from predict import Predictor\n",
         "  print(\"compile RoseTTAFold2\")\n",
         "\n",
         "  if (torch.cuda.is_available()):\n",
-        "    pred = Predictor(model_params, torch.device(\"cuda:0\"))\n",
+        "    pred = Predictor(f\"{params}.pt\", torch.device(\"cuda:0\"))\n",
         "  else:\n",
         "    print (\"WARNING: using CPU\")\n",
-        "    pred = Predictor(model_params, torch.device(\"cpu\"))\n",
-        "  model_params_sele = model_params\n",
+        "    pred = Predictor(f\"{params}.pt\", torch.device(\"cpu\"))\n",
+        "  params_sele = params\n",
         "\n",
         "def get_unique_sequences(seq_list):\n",
         "    unique_seqs = list(OrderedDict.fromkeys(seq_list))\n",