diff --git a/array_api_tests/test_signatures.py b/array_api_tests/test_signatures.py
index defaedbb..921ee37d 100644
--- a/array_api_tests/test_signatures.py
+++ b/array_api_tests/test_signatures.py
@@ -264,6 +264,16 @@ def _test_func_signature(func: Callable, stub: FunctionType, is_method=False):
     try:
         sig = signature(func)
     except ValueError:
+        sig = None
+    # nanobind sometimes return a generic function signature
+    if sig is not None:
+        params = list(sig.parameters.values())
+        if [p.kind for p in params] == [
+            Parameter.VAR_POSITIONAL,
+            Parameter.VAR_KEYWORD,
+        ]:
+            sig = None
+    if sig is None:
         try:
             _test_uninspectable_func(stub.__name__, func, stub_sig)
         except Exception as e: