diff --git a/tapiro/core/src/main/scala/io/buildo/tapiro/Meta.scala b/tapiro/core/src/main/scala/io/buildo/tapiro/Meta.scala
index 69423ca7..904e0f2d 100644
--- a/tapiro/core/src/main/scala/io/buildo/tapiro/Meta.scala
+++ b/tapiro/core/src/main/scala/io/buildo/tapiro/Meta.scala
@@ -11,6 +11,7 @@ object Meta {
     routes.flatMap {
       case TapiroRoute(route, errorValues) =>
         errorValues.map(m => MetarpheusType.Name(m.name)) ++
+          route.params.map(_.tpe) ++
           route.body.map(_.tpe) :+
           route.returns
     }.distinct.map(toImplicitParam)