diff --git a/app/render/renderframebuffer.cpp b/app/render/renderframebuffer.cpp
index be6601f61..7819bb5a0 100644
--- a/app/render/renderframebuffer.cpp
+++ b/app/render/renderframebuffer.cpp
@@ -125,3 +125,8 @@ void RenderFramebuffer::Detach()
 
   texture_ = nullptr;
 }
+
+const GLuint &RenderFramebuffer::buffer() const
+{
+  return buffer_;
+}
diff --git a/app/render/renderframebuffer.h b/app/render/renderframebuffer.h
index 39cd9821b..a0083823f 100644
--- a/app/render/renderframebuffer.h
+++ b/app/render/renderframebuffer.h
@@ -49,6 +49,8 @@ public:
 
   void Detach();
 
+  const GLuint buffer() const;
+
 private:
   QOpenGLContext* context_;