diff --git a/core/libcamera_app.hpp b/core/libcamera_app.hpp
index 965fb391..94da5e90 100644
--- a/core/libcamera_app.hpp
+++ b/core/libcamera_app.hpp
@@ -53,7 +53,7 @@ class LibcameraApp
 	using CameraConfiguration = libcamera::CameraConfiguration;
 	using FrameBufferAllocator = libcamera::FrameBufferAllocator;
 	using StreamRole = libcamera::StreamRole;
-	using StreamRoles = libcamera::StreamRoles;
+	using StreamRoles = std::vector<libcamera::StreamRole>;
 	using PixelFormat = libcamera::PixelFormat;
 	using StreamConfiguration = libcamera::StreamConfiguration;
 	using BufferMap = Request::BufferMap;