diff --git a/crates/ruff_linter/resources/test/fixtures/flake8_raise/RSE102.py b/crates/ruff_linter/resources/test/fixtures/flake8_raise/RSE102.py
index 0a750b97cb190..bba0e98b17caf 100644
--- a/crates/ruff_linter/resources/test/fixtures/flake8_raise/RSE102.py
+++ b/crates/ruff_linter/resources/test/fixtures/flake8_raise/RSE102.py
@@ -82,3 +82,14 @@ def error():
 
 # RSE102
 raise Foo()
+
+# OK
+raise ctypes.WinError()
+
+
+def func():
+    pass
+
+
+# OK
+raise func()
diff --git a/crates/ruff_linter/src/rules/flake8_raise/rules/unnecessary_paren_on_raise_exception.rs b/crates/ruff_linter/src/rules/flake8_raise/rules/unnecessary_paren_on_raise_exception.rs
index 4a0bffc74bc7d..a056bbc755f8d 100644
--- a/crates/ruff_linter/src/rules/flake8_raise/rules/unnecessary_paren_on_raise_exception.rs
+++ b/crates/ruff_linter/src/rules/flake8_raise/rules/unnecessary_paren_on_raise_exception.rs
@@ -78,9 +78,7 @@ pub(crate) fn unnecessary_paren_on_raise_exception(checker: &mut Checker, expr:
 
         // `ctypes.WinError()` is a function, not a class. It's part of the standard library, so
         // we might as well get it right.
-        if exception_type
-            .as_ref()
-            .is_some_and(ExceptionType::is_builtin)
+        if exception_type.is_none()
             && checker
                 .semantic()
                 .resolve_call_path(func)
diff --git a/crates/ruff_linter/src/rules/flake8_raise/snapshots/ruff_linter__rules__flake8_raise__tests__unnecessary-paren-on-raise-exception_RSE102.py.snap b/crates/ruff_linter/src/rules/flake8_raise/snapshots/ruff_linter__rules__flake8_raise__tests__unnecessary-paren-on-raise-exception_RSE102.py.snap
index 37b632cc2563b..d1d89829c673f 100644
--- a/crates/ruff_linter/src/rules/flake8_raise/snapshots/ruff_linter__rules__flake8_raise__tests__unnecessary-paren-on-raise-exception_RSE102.py.snap
+++ b/crates/ruff_linter/src/rules/flake8_raise/snapshots/ruff_linter__rules__flake8_raise__tests__unnecessary-paren-on-raise-exception_RSE102.py.snap
@@ -266,6 +266,8 @@ RSE102.py:84:10: RSE102 [*] Unnecessary parentheses on raised exception
 83 | # RSE102
 84 | raise Foo()
    |          ^^ RSE102
+85 | 
+86 | # OK
    |
    = help: Remove unnecessary parentheses
 
@@ -275,5 +277,8 @@ RSE102.py:84:10: RSE102 [*] Unnecessary parentheses on raised exception
 83 83 | # RSE102
 84    |-raise Foo()
    84 |+raise Foo
+85 85 | 
+86 86 | # OK
+87 87 | raise ctypes.WinError()