diff --git a/src/backends/reference/backend.mk b/src/backends/reference/backend.mk
index 49b07a4..7e97acd 100644
--- a/src/backends/reference/backend.mk
+++ b/src/backends/reference/backend.mk
@@ -47,6 +47,7 @@
         workloads/RefArgMinMaxWorkload.cpp \
         workloads/RefBatchNormalizationWorkload.cpp \
         workloads/RefBatchToSpaceNdWorkload.cpp \
+        workloads/RefComparisonWorkload.cpp \
         workloads/RefConcatWorkload.cpp \
         workloads/RefConstantWorkload.cpp \
         workloads/RefConvertFp16ToFp32Workload.cpp \