diff --git a/src/backends/cl/workloads/ClConvolution3dWorkload.cpp b/src/backends/cl/workloads/ClConvolution3dWorkload.cpp
index b096562..7480dbd 100644
--- a/src/backends/cl/workloads/ClConvolution3dWorkload.cpp
+++ b/src/backends/cl/workloads/ClConvolution3dWorkload.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2021, 2023 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -35,7 +35,11 @@
     arm_compute::TensorInfo* optionalAclBiasesInfo = nullptr;
     if (descriptor.m_BiasEnabled)
     {
-        ARMNN_ASSERT(biases.has_value());
+        if (!biases.has_value())
+        {
+            return arm_compute::Status{arm_compute::ErrorCode::RUNTIME_ERROR,
+                                       "ArmNN ClConvolution3dWorkload has empty bias value."};
+        }
         aclBiasesInfo = BuildArmComputeTensorInfo(biases.value(), descriptor.m_DataLayout);
         optionalAclBiasesInfo = &aclBiasesInfo;
     }