diff --git a/xlstm/blocks/slstm/src/cuda_init.py b/xlstm/blocks/slstm/src/cuda_init.py
index bc02065..de5366d 100644
--- a/xlstm/blocks/slstm/src/cuda_init.py
+++ b/xlstm/blocks/slstm/src/cuda_init.py
@@ -58,6 +58,9 @@ def defines_to_cflags(defines=Union[dict[str, Union[int, str]], Sequence[tuple[s
 
 
 def load(*, name, sources, extra_cflags=(), extra_cuda_cflags=(), **kwargs):
+    import platform
+    system_name = platform.system()
+
     suffix = ""
     for flag in extra_cflags:
         pref = [st[0] for st in flag[2:].split("=")[0].split("_")]
@@ -73,6 +76,21 @@ def load(*, name, sources, extra_cflags=(), extra_cuda_cflags=(), **kwargs):
         suffix = "_" + suffix
     suffix = suffix[:64]
 
+    # Determine platform-specific linker flags
+    extra_ldflags = (
+        [f"/LIBPATH:{os.environ['CUDA_LIB']}", "cublas.lib"]
+        if system_name == "Windows"
+        else [f"-L{os.environ['CUDA_LIB']}", "-lcublas"]
+    )
+
+    # Handle -Xptxas flags platform-specifically
+    if system_name == "Windows":
+        xptxas_verbose = ["-Xptxas", "-v"]     # must be split for nvcc on Windows
+        xptxas_opt = ["-Xptxas", "-O3"]
+    else:
+        xptxas_verbose = ['-Xptxas="-v"']      # works fine quoted on Linux
+        xptxas_opt = ['-Xptxas -O3']
+
     extra_cflags = list(extra_cflags) + [
         "-U__CUDA_NO_HALF_OPERATORS__",
         "-U__CUDA_NO_HALF_CONVERSIONS__",
@@ -86,26 +104,23 @@ def load(*, name, sources, extra_cflags=(), extra_cuda_cflags=(), **kwargs):
         extra_cflags.append("-isystem")
         extra_cflags.append(eip)
 
+    # Compose full set of CUDA flags
+    extra_cuda_flags = [
+        *xptxas_verbose,
+        "-gencode", "arch=compute_80,code=compute_80",
+        "-res-usage",
+        "--use_fast_math",
+        "-O3",
+        *xptxas_opt,
+        "--extra-device-vectorization",
+    ]
+
     myargs = {
         "verbose": True,
         "with_cuda": True,
-        "extra_ldflags": [f"-L{os.environ['CUDA_LIB']}", "-lcublas"],
+        "extra_ldflags": extra_ldflags,
         "extra_cflags": [*extra_cflags],
-        "extra_cuda_cflags": [
-            # "-gencode",
-            # "arch=compute_70,code=compute_70",
-            # "-dbg=1",
-            '-Xptxas="-v"',
-            "-gencode",
-            "arch=compute_80,code=compute_80",
-            "-res-usage",
-            "--use_fast_math",
-            "-O3",
-            "-Xptxas -O3",
-            "--extra-device-vectorization",
-            *extra_cflags,
-            *extra_cuda_cflags,
-        ],
+        "extra_cuda_cflags": [*extra_cuda_flags, *extra_cflags, *extra_cuda_cflags],
     }
     print(myargs)
     myargs.update(**kwargs)