diff --git a/crates/red_knot_project/resources/test/corpus/self_referential_function_annotation.py b/crates/red_knot_project/resources/test/corpus/self_referential_function_annotation.py
new file mode 100644
index 0000000000000..5bbb1beb11557
--- /dev/null
+++ b/crates/red_knot_project/resources/test/corpus/self_referential_function_annotation.py
@@ -0,0 +1,4 @@
+from __future__ import annotations
+
+def foo(a: foo()):
+    pass