diff --git a/crates/ty_python_semantic/resources/mdtest/call/overloads.md b/crates/ty_python_semantic/resources/mdtest/call/overloads.md
index 8d1f2930cd..ca447b6063 100644
--- a/crates/ty_python_semantic/resources/mdtest/call/overloads.md
+++ b/crates/ty_python_semantic/resources/mdtest/call/overloads.md
@@ -876,8 +876,7 @@ def _(list_int: list[int], list_str: list[str], list_any: list[Any], any: Any):
     # TODO: revealed: A
     reveal_type(f(*(list_int,)))  # revealed: Unknown
 
-    # TODO: Should be `str`
-    reveal_type(f(list_str))  # revealed: Unknown
+    reveal_type(f(list_str))  # revealed: str
     # TODO: Should be `str`
     reveal_type(f(*(list_str,)))  # revealed: Unknown
 
diff --git a/crates/ty_python_semantic/src/types/call/bind.rs b/crates/ty_python_semantic/src/types/call/bind.rs
index e064212225..226454e748 100644
--- a/crates/ty_python_semantic/src/types/call/bind.rs
+++ b/crates/ty_python_semantic/src/types/call/bind.rs
@@ -1497,9 +1497,17 @@ impl<'db> CallableBinding<'db> {
                         }
                         // TODO: For an unannotated `self` / `cls` parameter, the type should be
                         // `typing.Self` / `type[typing.Self]`
-                        let parameter_type = overload.signature.parameters()[*parameter_index]
+                        let mut parameter_type = overload.signature.parameters()[*parameter_index]
                             .annotated_type()
                             .unwrap_or(Type::unknown());
+                        if let Some(specialization) = overload.specialization {
+                            parameter_type =
+                                parameter_type.apply_specialization(db, specialization);
+                        }
+                        if let Some(inherited_specialization) = overload.inherited_specialization {
+                            parameter_type =
+                                parameter_type.apply_specialization(db, inherited_specialization);
+                        }
                         current_parameter_types.push(parameter_type);
                     }
                 }