diff --git a/gpu_tonemapper/Tonemapper.cpp b/gpu_tonemapper/Tonemapper.cpp
index 5f2f974..bb7ba1b 100644
--- a/gpu_tonemapper/Tonemapper.cpp
+++ b/gpu_tonemapper/Tonemapper.cpp
@@ -39,6 +39,7 @@
 Tonemapper::~Tonemapper()
 //-----------------------------------------------------------------------------
 {
+  engine_bind();
   engine_deleteInputBuffer(tonemapTexture);
   engine_deleteInputBuffer(lutXformTexture);
   engine_deleteProgram(programID);