diff --git a/tests/validation/reference/ConcatenateLayer.cpp b/tests/validation/reference/ConcatenateLayer.cpp
index af818a5..6c90d74 100644
--- a/tests/validation/reference/ConcatenateLayer.cpp
+++ b/tests/validation/reference/ConcatenateLayer.cpp
@@ -72,10 +72,13 @@
                     const int offset = u * height * depth + d * height + r;
                     if(src.data_type() == DataType::QASYMM8 && src.quantization_info() != dst.quantization_info())
                     {
-                        std::transform(src_ptr, src_ptr + width, dst_ptr + width_offset + offset * width_out, [src, dst](T t)
+                        const UniformQuantizationInfo iq_info = src.quantization_info().uniform();
+                        const UniformQuantizationInfo oq_info = dst.quantization_info().uniform();
+
+                        std::transform(src_ptr, src_ptr + width, dst_ptr + width_offset + offset * width_out, [&](T t)
                         {
-                            const float dequantized_input = src.quantization_info().dequantize(t);
-                            return dst.quantization_info().quantize(dequantized_input, RoundingPolicy::TO_NEAREST_UP);
+                            const float dequantized_input = dequantize_qasymm8(t, iq_info);
+                            return quantize_qasymm8(dequantized_input, oq_info);
                         });
                         src_ptr += width;
                     }