diff --git a/modules/rtx/include/vkcv/rtx/RTX.hpp b/modules/rtx/include/vkcv/rtx/RTX.hpp
index 82c83747a0ad07aa488ba553bbcdd0f0ee3d9b5c..d33217b82c282d7a9b247b1e94d0bd684acd43d2 100644
--- a/modules/rtx/include/vkcv/rtx/RTX.hpp
+++ b/modules/rtx/include/vkcv/rtx/RTX.hpp
@@ -2,6 +2,7 @@
 
 #include <vector>
 #include "vulkan/vulkan.hpp"
+#include "vkcv/Core.hpp"
 
 namespace vkcv::rtx {
 
@@ -41,7 +42,7 @@ namespace vkcv::rtx {
          * @param vertexBuffer
          * @param indexBuffer
          */
-        void init(vkcv::Buffer<uint8_t> vertexBuffer, vkcv::Buffer<uint8_t> indexBuffer);
+        void init(Core* core, Buffer<uint8_t> &vertexBuffer, Buffer<uint8_t> &indexBuffer);
     };
 
 }
diff --git a/modules/rtx/src/vkcv/rtx/RTX.cpp b/modules/rtx/src/vkcv/rtx/RTX.cpp
index 69eb8fb323d988f15cd5b3101443531891d261bd..b281c183c92388b44b65f1dccd47646d94352219 100644
--- a/modules/rtx/src/vkcv/rtx/RTX.cpp
+++ b/modules/rtx/src/vkcv/rtx/RTX.cpp
@@ -22,7 +22,7 @@ namespace vkcv::rtx {
         };
     }
 
-    void RTXModule::init(vkcv::Buffer<uint8_t> vertexBuffer, vkcv::Buffer<uint8_t> indexBuffer) {
+    void RTXModule::init(Core* core, Buffer<uint8_t> &vertexBuffer, Buffer<uint8_t> &indexBuffer) {
 
         // build acceleration structures BLAS then TLAS --> see ASManager
 //        ASManager asManager(core);