diff --git a/rendering_api/metal/src/core/debugger/metal_layers.cpp b/rendering_api/metal/src/core/debugger/metal_layers.cpp
index eeb841b..70b1284 100644
--- a/rendering_api/metal/src/core/debugger/metal_layers.cpp
+++ b/rendering_api/metal/src/core/debugger/metal_layers.cpp
@@ -1,6 +1,7 @@
+#undef GN_UTILS_CPP
 #include <core/debugger/gryphn_layers.h>
 
 GN_EXPORT gnString gnGetPlatformLayerNameFn(const gnString& gnName) {
-    if (gnStringEquals(gnName, "GN_DEFAULT_DEBUG_LAYER")) return "METAL_DEBUG_LAYER";
-    return "GN_NO_LAYER";
+    if (gnStringEquals(gnName, "GN_DEFAULT_DEBUG_LAYER")) return gnCreateString("METAL_DEBUG_LAYER");
+    return gnCreateString("GN_NO_LAYER");
 }