diff --git a/fairmq/shmem/FairMQTransportFactorySHM.cxx b/fairmq/shmem/FairMQTransportFactorySHM.cxx
index b9b8fd12..ce5695ed 100644
--- a/fairmq/shmem/FairMQTransportFactorySHM.cxx
+++ b/fairmq/shmem/FairMQTransportFactorySHM.cxx
@@ -69,7 +69,7 @@ FairMQTransportFactorySHM::FairMQTransportFactorySHM(const string& id, const Fai
     }
     else
     {
-        LOG(warn) << "FairMQProgOptions not available! Using defaults.";
+        LOG(debug) << "FairMQProgOptions not available! Using defaults.";
     }
 
     fSessionName.resize(8, '_'); // shorten the session name, to accommodate for name size limit on some systems (MacOS)
diff --git a/fairmq/zeromq/FairMQTransportFactoryZMQ.cxx b/fairmq/zeromq/FairMQTransportFactoryZMQ.cxx
index a8cd2e52..c291adb6 100644
--- a/fairmq/zeromq/FairMQTransportFactoryZMQ.cxx
+++ b/fairmq/zeromq/FairMQTransportFactoryZMQ.cxx
@@ -39,7 +39,7 @@ FairMQTransportFactoryZMQ::FairMQTransportFactoryZMQ(const string& id, const Fai
     }
     else
     {
-        LOG(warn) << "FairMQProgOptions not available! Using defaults.";
+        LOG(debug) << "FairMQProgOptions not available! Using defaults.";
     }
 
     if (zmq_ctx_set(fContext, ZMQ_IO_THREADS, numIoThreads) != 0)