1 files changed, 5 insertions, 2 deletions
diff --git a/src/armnn/backends/ClWorkloads/ClConvolution2dBaseWorkload.cpp b/src/armnn/backends/ClWorkloads/ClConvolution2dBaseWorkload.cpp
index 9851a22dc6..be4c33500e 100644
--- a/src/armnn/backends/ClWorkloads/ClConvolution2dBaseWorkload.cpp
+++ b/src/armnn/backends/ClWorkloads/ClConvolution2dBaseWorkload.cpp
@@ -17,17 +17,20 @@ arm_compute::Status ClConvolution2dWorkloadValidate(const TensorInfo& input,
     const TensorInfo& output,
     const Convolution2dDescriptor& descriptor,
     const TensorInfo& weights,
-    const TensorInfo& biases)
+    const boost::optional<TensorInfo>& biases)
 {
     const arm_compute::TensorInfo aclInputInfo = BuildArmComputeTensorInfo(input);
     const arm_compute::TensorInfo aclOutputInfo = BuildArmComputeTensorInfo(output);
     const arm_compute::TensorInfo aclWeightsInfo = BuildArmComputeTensorInfo(weights);
+
     arm_compute::TensorInfo aclBiasesInfo;
     arm_compute::TensorInfo *optionalAclBiasesInfo = nullptr;
 
     if (descriptor.m_BiasEnabled)
     {
-        aclBiasesInfo  = BuildArmComputeTensorInfo(biases);
+        BOOST_ASSERT(biases.is_initialized());
+
+        aclBiasesInfo = BuildArmComputeTensorInfo(biases.get());
         optionalAclBiasesInfo = &aclBiasesInfo;
     }