diff --git a/syclops/utility/general_utils.py b/syclops/utility/general_utils.py
index 522db0d..bc62a68 100644
--- a/syclops/utility/general_utils.py
+++ b/syclops/utility/general_utils.py
@@ -19,7 +19,7 @@ def hash_vector(vector):
     hash_digest = hash_object.digest()[:8]
 
     # Convert the first 8 bytes of the hash to a 64-bit integer
-    hash_value = int.from_bytes(hash_digest, byteorder='big')
+    hash_value = int.from_bytes(hash_digest, byteorder='big', signed=True)
 
     return hash_value
 
diff --git a/syclops/utility/setup_utils.py b/syclops/utility/setup_utils.py
index c9cc2ef..1dbfa78 100644
--- a/syclops/utility/setup_utils.py
+++ b/syclops/utility/setup_utils.py
@@ -95,7 +95,7 @@ def install_blender(version: str, install_dir: Path) -> None:
     # Clean up
     dest_file.unlink()
 
-def get_or_create_install_folder(install_folder_path: str) -> Path:
+def get_or_create_install_folder(install_folder_path: str = None) -> Path:
     """
     Get the install folder from the config file, or ask the user for a folder.