diff --git a/src/SceneGraph/Vulkan/Debug/VKDebugUtils.cpp b/src/SceneGraph/Vulkan/Debug/VKDebugUtils.cpp
index 95c19d11..3e422917 100644
--- a/src/SceneGraph/Vulkan/Debug/VKDebugUtils.cpp
+++ b/src/SceneGraph/Vulkan/Debug/VKDebugUtils.cpp
@@ -5,7 +5,7 @@ DebugUtils *CreateDebugUtils(VkDevice device)
 {
     DebugUtilsFunction duf;
 
-#define DUF_GETFUNC(n,N)    duf.n=(PFN_vk##N##EXT)vkGetDeviceProcAddr(device,"vk"#N"EXT");if(!duf.##n)return(nullptr);
+#define DUF_GETFUNC(n,N)    duf.n=(PFN_vk##N##EXT)vkGetDeviceProcAddr(device,"vk"#N"EXT");if(!duf.n)return(nullptr);
 
     DUF_GETFUNC(SetName,    SetDebugUtilsObjectName     );
     DUF_GETFUNC(SetTag,     SetDebugUtilsObjectTag      );