diff --git a/fairmq/shmem/Manager.h b/fairmq/shmem/Manager.h
index 9c7d3719..6978ed30 100644
--- a/fairmq/shmem/Manager.h
+++ b/fairmq/shmem/Manager.h
@@ -73,7 +73,7 @@ class Manager
         , fThrowOnBadAlloc(throwOnBadAlloc)
     {
         using namespace boost::interprocess;
-        LOG(debug) << "created/opened shared memory segment '" << "fmq_" << fShmId << "_main" << "' of " << size << " bytes. Available are " << fSegment.get_free_memory() << " bytes.";
+        LOG(debug) << "created/opened shared memory segment '" << "fmq_" << fShmId << "_main" << "' of " << fSegment.get_size() << " bytes. Available are " << fSegment.get_free_memory() << " bytes.";
 
         fRegionInfos = fManagementSegment.find_or_construct<Uint64RegionInfoMap>(unique_instance)(fShmVoidAlloc);
         // store info about the managed segment as region with id 0