diff --git a/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala b/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
index 5484143..8df0465 100644
--- a/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
+++ b/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
@@ -7,6 +7,7 @@
 import scala.concurrent.Future
 import sttp.client3.SttpBackend
 import sttp.capabilities.WebSockets
+import sttp.capabilities.zio.ZioStreams
 import scala.concurrent.ExecutionContext
 import sttp.client3.FetchOptions
 import org.scalajs.dom
@@ -15,7 +16,7 @@
 trait CustomTapirPlatformSpecific extends SttpClientInterpreter:
   self: CustomTapir =>
 
-  type Backend = SttpBackend[Task, WebSockets]
+  type Backend = SttpBackend[Task, _]
 
   val clientLayer: ULayer[Backend] = ZLayer.succeed(
     FetchZioBackend(

diff --git a/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala b/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
index 5484143..8df0465 100644
--- a/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
+++ b/tapir/js/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
@@ -7,6 +7,7 @@
 import scala.concurrent.Future
 import sttp.client3.SttpBackend
 import sttp.capabilities.WebSockets
+import sttp.capabilities.zio.ZioStreams
 import scala.concurrent.ExecutionContext
 import sttp.client3.FetchOptions
 import org.scalajs.dom
@@ -15,7 +16,7 @@
 trait CustomTapirPlatformSpecific extends SttpClientInterpreter:
   self: CustomTapir =>
 
-  type Backend = SttpBackend[Task, WebSockets]
+  type Backend = SttpBackend[Task, _]
 
   val clientLayer: ULayer[Backend] = ZLayer.succeed(
     FetchZioBackend(
diff --git a/tapir/jvm/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala b/tapir/jvm/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
index 6af94e2..3a88669 100644
--- a/tapir/jvm/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
+++ b/tapir/jvm/src/main/scala/works/iterative/tapir/CustomTapirPlatformSpecific.scala
@@ -20,7 +20,7 @@
 trait CustomTapirPlatformSpecific extends ZTapir with SttpClientInterpreter:
   self: CustomTapir =>
 
-  type Backend = SttpBackend[Task, ZioStreams & WebSockets]
+  type Backend = SttpBackend[Task, _]
 
   private def addSession(
       session: String