diff --git a/rust-runtime/aws-smithy-http-server/src/operation/mod.rs b/rust-runtime/aws-smithy-http-server/src/operation/mod.rs
index 0aefe25e3a..70199714c2 100644
--- a/rust-runtime/aws-smithy-http-server/src/operation/mod.rs
+++ b/rust-runtime/aws-smithy-http-server/src/operation/mod.rs
@@ -233,7 +233,7 @@ impl<Op, S, PollError> Operation<Normalize<Op, S, PollError>> {
         S: OperationService<Op, Exts, PollError>,
     {
         Self {
-            inner: inner.into_unflatten(),
+            inner: inner.canonicalize(),
             layer: Identity::new(),
         }
     }
diff --git a/rust-runtime/aws-smithy-http-server/src/operation/operation_service.rs b/rust-runtime/aws-smithy-http-server/src/operation/operation_service.rs
index 10d2acbd2d..150cd2c65a 100644
--- a/rust-runtime/aws-smithy-http-server/src/operation/operation_service.rs
+++ b/rust-runtime/aws-smithy-http-server/src/operation/operation_service.rs
@@ -73,7 +73,7 @@ where
     Op: OperationShape,
 {
     /// Convert the [`OperationService`] into a canonicalized [`Service`].
-    fn into_unflatten(self) -> Normalize<Op, Self, PollError>
+    fn canonicalize(self) -> Normalize<Op, Self, PollError>
     where
         Self: Sized,
     {