diff --git a/arm_compute/runtime/CL/functions/CLFFTConvolutionLayer.h b/arm_compute/runtime/CL/functions/CLFFTConvolutionLayer.h
index 0fd2cf3..2fabe34 100644
--- a/arm_compute/runtime/CL/functions/CLFFTConvolutionLayer.h
+++ b/arm_compute/runtime/CL/functions/CLFFTConvolutionLayer.h
@@ -118,7 +118,7 @@
     CLPadLayer                       _pad_input_func;
     CLPadLayer                       _pad_weights_func;
     CLFFT2D                          _transform_input_func;
-    CLFFT2D                          _transform_weights_func;
+    std::unique_ptr<CLFFT2D>         _transform_weights_func;
     CLFFT2D                          _itransform_output_func;
     CLComplexPixelWiseMultiplication _prod_func;
     CLReductionOperation             _reduce_func;