diff --git a/src/safeds_stubgen/stubs_generator/_generate_stubs.py b/src/safeds_stubgen/stubs_generator/_generate_stubs.py
index 3423c31d..801497ce 100644
--- a/src/safeds_stubgen/stubs_generator/_generate_stubs.py
+++ b/src/safeds_stubgen/stubs_generator/_generate_stubs.py
@@ -721,6 +721,8 @@ def _create_type_string(self, type_data: dict | None) -> str:
                     for i, type_ in enumerate(return_type["types"])
                 ]
                 return_type_string = f"({', '.join(return_types)})"
+            elif return_type["kind"] == "NamedType" and return_type["name"] == "None":
+                return f"({', '.join(params)}) -> ()"
             else:
                 result_name = _convert_name_to_convention("result_1", self.naming_convention)
                 return_type_string = f"{result_name}: {self._create_type_string(return_type)}"
diff --git a/tests/data/various_modules_package/function_module.py b/tests/data/various_modules_package/function_module.py
index 29d1a2f2..5a781233 100644
--- a/tests/data/various_modules_package/function_module.py
+++ b/tests/data/various_modules_package/function_module.py
@@ -54,7 +54,8 @@ def params(
     optional: Optional[int],
     tuple_: tuple[int, str, bool],
     literal: Literal["Some String"],
-    any_: Any
+    any_: Any,
+    callable_none: Callable[[int, float], None] | None,
 ): ...
 
 
@@ -75,7 +76,7 @@ def params_with_default_value(
     optional: Optional[int] = None,
     tuple_: tuple[int, str, bool] = (1, "2", True),
     literal: Literal["Some String"] = "Some String",
-    any_: Any = False
+    any_: Any = False,
 ): ...
 
 
diff --git a/tests/safeds_stubgen/api_analyzer/__snapshots__/test__get_api.ambr b/tests/safeds_stubgen/api_analyzer/__snapshots__/test__get_api.ambr
index deab9031..3c6c1319 100644
--- a/tests/safeds_stubgen/api_analyzer/__snapshots__/test__get_api.ambr
+++ b/tests/safeds_stubgen/api_analyzer/__snapshots__/test__get_api.ambr
@@ -3729,6 +3729,48 @@
         'qname': 'builtins.bool',
       }),
     }),
+    dict({
+      'assigned_by': 'POSITION_OR_NAME',
+      'default_value': None,
+      'docstring': dict({
+        'default_value': '',
+        'description': '',
+        'type': None,
+      }),
+      'id': 'tests/data/various_modules_package/function_module/params/callable_none',
+      'is_optional': False,
+      'name': 'callable_none',
+      'type': dict({
+        'kind': 'UnionType',
+        'types': list([
+          dict({
+            'kind': 'CallableType',
+            'parameter_types': list([
+              dict({
+                'kind': 'NamedType',
+                'name': 'int',
+                'qname': 'builtins.int',
+              }),
+              dict({
+                'kind': 'NamedType',
+                'name': 'float',
+                'qname': 'builtins.float',
+              }),
+            ]),
+            'return_type': dict({
+              'kind': 'NamedType',
+              'name': 'None',
+              'qname': 'builtins.None',
+            }),
+          }),
+          dict({
+            'kind': 'NamedType',
+            'name': 'None',
+            'qname': 'builtins.None',
+          }),
+        ]),
+      }),
+    }),
     dict({
       'assigned_by': 'POSITION_OR_NAME',
       'default_value': None,
@@ -6021,6 +6063,7 @@
         'tests/data/various_modules_package/function_module/params/tuple_',
         'tests/data/various_modules_package/function_module/params/literal',
         'tests/data/various_modules_package/function_module/params/any_',
+        'tests/data/various_modules_package/function_module/params/callable_none',
       ]),
       'reexported_by': list([
       ]),
diff --git a/tests/safeds_stubgen/stubs_generator/__snapshots__/test_generate_stubs/TestStubFileGeneration.test_stub_creation[function_module].sdsstub b/tests/safeds_stubgen/stubs_generator/__snapshots__/test_generate_stubs/TestStubFileGeneration.test_stub_creation[function_module].sdsstub
index 4595d81c..758a2001 100644
--- a/tests/safeds_stubgen/stubs_generator/__snapshots__/test_generate_stubs/TestStubFileGeneration.test_stub_creation[function_module].sdsstub
+++ b/tests/safeds_stubgen/stubs_generator/__snapshots__/test_generate_stubs/TestStubFileGeneration.test_stub_creation[function_module].sdsstub
@@ -30,7 +30,8 @@ fun params(
     optional: Int?,
     @PythonName("tuple_") tuple: Tuple<Int, String, Boolean>,
     `literal`: literal<"Some String">,
-    @PythonName("any_") any: Any
+    @PythonName("any_") any: Any,
+    @PythonName("callable_none") callableNone: (param1: Int, param2: Float) -> ()?
 )
 
 // TODO Result type information missing.