diff --git a/modules/openapi-generator/src/main/resources/scala-play-server/app/apiDocController.scala.mustache b/modules/openapi-generator/src/main/resources/scala-play-server/app/apiDocController.scala.mustache
index d6a85a659639..b2d81f06027a 100644
--- a/modules/openapi-generator/src/main/resources/scala-play-server/app/apiDocController.scala.mustache
+++ b/modules/openapi-generator/src/main/resources/scala-play-server/app/apiDocController.scala.mustache
@@ -6,6 +6,6 @@ import play.api.mvc._
 @Singleton
 class ApiDocController @Inject()(cc: ControllerComponents) extends AbstractController(cc) {
   def api: Action[AnyContent] = Action {
-    Redirect("/assets/lib/swagger-ui/index.html?/url=/assets/openapi.json")
+    Redirect("/assets/lib/swagger-ui/index.html?url=/assets/openapi.json")
   }
 }
diff --git a/samples/server/petstore/scala-play-server/app/api/ApiDocController.scala b/samples/server/petstore/scala-play-server/app/api/ApiDocController.scala
index c86ec2b87b95..27ff50a810cf 100644
--- a/samples/server/petstore/scala-play-server/app/api/ApiDocController.scala
+++ b/samples/server/petstore/scala-play-server/app/api/ApiDocController.scala
@@ -6,6 +6,6 @@ import play.api.mvc._
 @Singleton
 class ApiDocController @Inject()(cc: ControllerComponents) extends AbstractController(cc) {
   def api: Action[AnyContent] = Action {
-    Redirect("/assets/lib/swagger-ui/index.html?/url=/assets/openapi.json")
+    Redirect("/assets/lib/swagger-ui/index.html?url=/assets/openapi.json")
   }
 }