diff --git a/unittests/mocks/AcceptsTmMock.cpp b/unittests/mocks/AcceptsTmMock.cpp
index 7b997047..2f718e61 100644
--- a/unittests/mocks/AcceptsTmMock.cpp
+++ b/unittests/mocks/AcceptsTmMock.cpp
@@ -6,7 +6,7 @@ AcceptsTmMock::AcceptsTmMock(object_id_t registeredId, MessageQueueId_t queueToR
 AcceptsTmMock::AcceptsTmMock(MessageQueueId_t queueToReturn)
     : SystemObject(objects::NO_OBJECT, false), returnedQueue(queueToReturn) {}
 
-MessageQueueId_t AcceptsTmMock::getReportReceptionQueue(uint8_t virtualChannel) {
+MessageQueueId_t AcceptsTmMock::getReportReceptionQueue(uint8_t virtualChannel) const {
   return returnedQueue;
 }
 
diff --git a/unittests/mocks/AcceptsTmMock.h b/unittests/mocks/AcceptsTmMock.h
index d6cc7f85..b12e1094 100644
--- a/unittests/mocks/AcceptsTmMock.h
+++ b/unittests/mocks/AcceptsTmMock.h
@@ -9,7 +9,7 @@ class AcceptsTmMock : public SystemObject, public AcceptsTelemetryIF {
   AcceptsTmMock(object_id_t registeredId, MessageQueueId_t queueToReturn);
   explicit AcceptsTmMock(MessageQueueId_t queueToReturn);
 
-  MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel) override;
+  MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel) const override;
   const char* getName() const override;
 
   MessageQueueId_t returnedQueue;