diff --git a/modules/http4s/src/smithy4s/http4s/internals/SmithyHttp4sServerEndpoint.scala b/modules/http4s/src/smithy4s/http4s/internals/SmithyHttp4sServerEndpoint.scala
index 68bdb0e77..0333a758c 100644
--- a/modules/http4s/src/smithy4s/http4s/internals/SmithyHttp4sServerEndpoint.scala
+++ b/modules/http4s/src/smithy4s/http4s/internals/SmithyHttp4sServerEndpoint.scala
@@ -141,9 +141,9 @@ private[http4s] class SmithyHttp4sServerEndpointImpl[F[_], Op[_, _, _, _, _], I,
       case None =>
         // NB : only compiling the input codec if the data cannot be
         // totally extracted from the metadata.
+        implicit val inputCodec =
+          entityCompiler.compilePartialEntityDecoder(inputSchema, entityCache)
         (metadata, request) =>
-          implicit val inputCodec =
-            entityCompiler.compilePartialEntityDecoder(inputSchema, entityCache)
           for {
             metadataPartial <- inputMetadataDecoder.decode(metadata).liftTo[F]
             bodyPartial <- request.as[BodyPartial[I]]