diff --git a/crates/red_knot_python_semantic/resources/mdtest/mro.md b/crates/red_knot_python_semantic/resources/mdtest/mro.md
index 2dc5ff0d5d561..dc0abf9e263ce 100644
--- a/crates/red_knot_python_semantic/resources/mdtest/mro.md
+++ b/crates/red_knot_python_semantic/resources/mdtest/mro.md
@@ -256,7 +256,7 @@ class O: ...
 class X(O): ...
 class Y(O): ...
 
-if bool():
+if returns_bool():
     foo = Y
 else:
     foo = object