diff --git a/unsloth/_auto_install.py b/unsloth/_auto_install.py
index 27b23ed476..e8afc32541 100644
--- a/unsloth/_auto_install.py
+++ b/unsloth/_auto_install.py
@@ -15,12 +15,12 @@
 try: import torch
 except: raise ImportError('Install torch via `pip install torch`')
 from packaging.version import Version as V
-v = V(torch.__version__)
+import re
+v = V(re.match(r"[0-9\.]{3,}", torch.__version__).group(0))
 cuda = str(torch.version.cuda)
 is_ampere = torch.cuda.get_device_capability()[0] >= 8
 USE_ABI = torch._C._GLIBCXX_USE_CXX11_ABI
-if cuda not in ("11.8", "12.1", "12.4", "12.6", "12.8"):
-	raise RuntimeError(f"CUDA = {cuda} not supported!")
+if cuda not in ("11.8", "12.1", "12.4", "12.6", "12.8"): raise RuntimeError(f"CUDA = {cuda} not supported!")
 if   v <= V('2.1.0'): raise RuntimeError(f"Torch = {v} too old!")
 elif v <= V('2.1.1'): x = 'cu{}{}-torch211'
 elif v <= V('2.1.2'): x = 'cu{}{}-torch212'
@@ -34,7 +34,6 @@ elif v  < V('2.7.9'): x = 'cu{}{}-torch270'
 elif v  < V('2.8.0'): x = 'cu{}{}-torch271'
 elif v  < V('2.8.9'): x = 'cu{}{}-torch280'
 else: raise RuntimeError(f"Torch = {v} too new!")
-if v > V('2.6.9') and cuda not in ("11.8", "12.6", "12.8"):
-	raise RuntimeError(f"CUDA = {cuda} not supported!")
+if v > V('2.6.9') and cuda not in ("11.8", "12.6", "12.8"): raise RuntimeError(f"CUDA = {cuda} not supported!")
 x = x.format(cuda.replace(".", ""), "-ampere" if is_ampere else "")
 print(f'pip install --upgrade pip && pip install "unsloth[{x}] @ git+https://github.com/unslothai/unsloth.git"')
\ No newline at end of file