diff --git a/satpy/modifiers/angles.py b/satpy/modifiers/angles.py
index 01e7c1ff2d..02ffadfa87 100644
--- a/satpy/modifiers/angles.py
+++ b/satpy/modifiers/angles.py
@@ -248,7 +248,8 @@ def _hash_args(*args, unhashable_types=DEFAULT_UNCACHE_TYPES):
     hashable_args = []
     for arg in args:
         if isinstance(arg, unhashable_types):
-            raise TypeError(f"Unhashable type in function signature ({type(arg)}), cannot be cached.")
+            warnings.warn(f"Unhashable type in function signature ({type(arg)}), cannot be cached.", stacklevel=2)
+            continue
         if isinstance(arg, HASHABLE_GEOMETRIES):
             arg = hash(arg)
         elif isinstance(arg, datetime):
diff --git a/satpy/tests/modifier_tests/test_angles.py b/satpy/tests/modifier_tests/test_angles.py
index 46a8a8443f..4c7e295e14 100644
--- a/satpy/tests/modifier_tests/test_angles.py
+++ b/satpy/tests/modifier_tests/test_angles.py
@@ -330,7 +330,7 @@ def test_caching_with_array_in_args_fails(self, tmp_path):
         def _fake_func(array):
             return array + 1
 
-        with pytest.raises(TypeError), \
+        with pytest.warns(UserWarning), \
                 satpy.config.set(cache_lonlats=True, cache_dir=str(tmp_path)):
             _fake_func(da.zeros(100))