1 files changed, 2 insertions, 2 deletions
diff --git a/src/armnn/backends/RefLayerSupport.cpp b/src/armnn/backends/RefLayerSupport.cpp
index ca4fca6f31..dd89dd51b3 100644
--- a/src/armnn/backends/RefLayerSupport.cpp
+++ b/src/armnn/backends/RefLayerSupport.cpp
@@ -87,7 +87,7 @@ bool IsConvolution2dSupportedRef(const TensorInfo& input,
                                  const TensorInfo& output,
                                  const Convolution2dDescriptor& descriptor,
                                  const TensorInfo& weights,
-                                 const TensorInfo& biases,
+                                 const boost::optional<TensorInfo>& biases,
                                  std::string* reasonIfUnsupported)
 {
     ignore_unused(descriptor);
@@ -104,7 +104,7 @@ bool IsDepthwiseConvolutionSupportedRef(const TensorInfo& input,
                                         const TensorInfo& output,
                                         const DepthwiseConvolution2dDescriptor& descriptor,
                                         const TensorInfo& weights,
-                                        const TensorInfo& biases,
+                                        const boost::optional<TensorInfo>& biases,
                                         std::string* reasonIfUnsupported)
 {
     ignore_unused(output);