diff --git a/src/core/CL/kernels/CLSobel3x3Kernel.cpp b/src/core/CL/kernels/CLSobel3x3Kernel.cpp
index 4439b30..1c2fbb0 100644
--- a/src/core/CL/kernels/CLSobel3x3Kernel.cpp
+++ b/src/core/CL/kernels/CLSobel3x3Kernel.cpp
@@ -139,7 +139,7 @@
             add_2D_tensor_argument(idx, _output_y, slice);
         }
 
-        enqueue(queue, *this, slice);
+        enqueue(queue, *this, slice, lws_hint());
     }
     while(window.slide_window_slice_2D(slice));
 }