diff --git a/ct2_main.py b/ct2_main.py
index 194c691..0fdfc78 100644
--- a/ct2_main.py
+++ b/ct2_main.py
@@ -2,31 +2,31 @@
 import os
 import glob
 from pathlib import Path
-from PySide6.QtWidgets import QApplication
-from ct2_gui import MyWindow
-from ct2_utils import CheckQuantizationSupport
 
 def set_cuda_paths():
     script_dir = Path(__file__).parent.resolve()
-    nvidia_base_path = script_dir / 'Lib' / 'site-packages' / 'nvidia'
-    cublas_bin_path = script_dir / 'Lib' / 'site-packages' / 'nvidia' / 'cublas' / 'bin'
-    cudnn_bin_path = script_dir / 'Lib' / 'site-packages' / 'nvidia' / 'cudnn' / 'bin'
-    
-    # Set CUDA_PATH and CUDA_PATH_V12_2
-    for env_var in ['CUDA_PATH', 'CUDA_PATH_V12_2']:
-        current_path = os.environ.get(env_var, '')
-        new_paths = [str(nvidia_base_path), str(cublas_bin_path), str(cudnn_bin_path)]
-        os.environ[env_var] = os.pathsep.join(filter(None, new_paths + [current_path]))
-
-    # Add nvidia folder, cudnn bin folder, and cublas bin folder to system PATH
-    current_path = os.environ.get('PATH', '')
-    new_paths = [str(nvidia_base_path), str(cublas_bin_path), str(cudnn_bin_path)]
-    new_path = os.pathsep.join(filter(None, new_paths + [current_path]))
-    os.environ['PATH'] = new_path
+    cuda_path = script_dir / 'Lib' / 'site-packages' / 'nvidia'
+    cublas_path = cuda_path / 'cublas' / 'bin'
+    cudnn_path = cuda_path / 'cudnn' / 'bin'
+
+    paths_to_add = [str(cuda_path), str(cublas_path), str(cudnn_path)]
+
+    env_vars = ['CUDA_PATH', 'CUDA_PATH_V12_2', 'PATH']
+
+    for env_var in env_vars:
+        current_value = os.environ.get(env_var, '')
+        new_value = os.pathsep.join(paths_to_add + [current_value] if current_value else paths_to_add)
+        os.environ[env_var] = new_value
+
+    print("CUDA paths have been set or updated in the environment variables.")
+
+set_cuda_paths()
+
+from PySide6.QtWidgets import QApplication
+from ct2_gui import MyWindow
+from ct2_utils import CheckQuantizationSupport
 
 if __name__ == "__main__":
-    set_cuda_paths()
-    
     quantization_checker = CheckQuantizationSupport()
     cuda_available = quantization_checker.has_cuda_device()
     quantization_checker.update_supported_quantizations()