diff --git a/src/nostalgia/core/userland/gfx.hpp b/src/nostalgia/core/userland/gfx.hpp
index 92925f5f..b8c2ef90 100644
--- a/src/nostalgia/core/userland/gfx.hpp
+++ b/src/nostalgia/core/userland/gfx.hpp
@@ -8,8 +8,8 @@
 
 #include <nostalgia/core/context.hpp>
 
-namespace {
-class Palette;
+namespace nostalgia::core {
+struct Palette;
 }
 
 namespace nostalgia::core::renderer {