diff --git a/src/core/CL/kernels/CLScharr3x3Kernel.cpp b/src/core/CL/kernels/CLScharr3x3Kernel.cpp
index 1c1fedc..94b0d38 100644
--- a/src/core/CL/kernels/CLScharr3x3Kernel.cpp
+++ b/src/core/CL/kernels/CLScharr3x3Kernel.cpp
@@ -118,7 +118,7 @@
         add_2D_tensor_argument_if((_run_scharr_x), idx, _output_x, slice);
         add_2D_tensor_argument_if((_run_scharr_y), idx, _output_y, slice);
 
-        enqueue(queue, *this, slice);
+        enqueue(queue, *this, slice, lws_hint());
     }
     while(window.slide_window_slice_2D(slice));
 }