diff --git a/inc/hgl/graph/VKMaterialInstance.h b/inc/hgl/graph/VKMaterialInstance.h
index 0b6369dc..b2474f98 100644
--- a/inc/hgl/graph/VKMaterialInstance.h
+++ b/inc/hgl/graph/VKMaterialInstance.h
@@ -25,7 +25,7 @@ public:
 
     ~MaterialInstance();
 
-    bool BindUBO(const AnsiString &name,GPUBuffer *ubo);
+    bool BindUBO(const AnsiString &name,GPUBuffer *ubo,bool dynamic=false);
     bool BindSampler(const AnsiString &name,Texture *tex,Sampler *sampler);
     
     void Update();
diff --git a/src/SceneGraph/Vulkan/VKMaterialInstance.cpp b/src/SceneGraph/Vulkan/VKMaterialInstance.cpp
index c7d3ce04..13650674 100644
--- a/src/SceneGraph/Vulkan/VKMaterialInstance.cpp
+++ b/src/SceneGraph/Vulkan/VKMaterialInstance.cpp
@@ -15,7 +15,7 @@ MaterialInstance::~MaterialInstance()
     delete descriptor_sets;
 }
 
-bool MaterialInstance::BindUBO(const AnsiString &name,GPUBuffer *ubo)
+bool MaterialInstance::BindUBO(const AnsiString &name,GPUBuffer *ubo,bool dynamic)
 {
     if(name.IsEmpty()||!ubo)
         return(false);
@@ -25,7 +25,7 @@ bool MaterialInstance::BindUBO(const AnsiString &name,GPUBuffer *ubo)
     if(index<0)
         return(false);
 
-    if(!descriptor_sets->BindUBO(index,ubo))
+    if(!descriptor_sets->BindUBO(index,ubo,dynamic))
         return(false);
 
     return(true);