diff --git a/tests/types/expected.md b/tests/types/expected.md
index 3e56d91..d8d6900 100644
--- a/tests/types/expected.md
+++ b/tests/types/expected.md
@@ -28,7 +28,7 @@ pub mod test {
             }
         }
         fn from_ptr(
-            ptr: Self::Ptr,
+            _ptr: Self::Ptr,
         ) -> Result<Self, trixy::types::error::TypeConversionError> {
             todo!()
         }