diff --git a/examples/readout/fairmq-start-ex-readout-processing.sh.in b/examples/readout/fairmq-start-ex-readout-processing.sh.in
index 7cfbda3d..9f8a69cb 100755
--- a/examples/readout/fairmq-start-ex-readout-processing.sh.in
+++ b/examples/readout/fairmq-start-ex-readout-processing.sh.in
@@ -31,10 +31,12 @@ SENDER="fairmq-ex-readout-sender"
 SENDER+=" --id sender1"
 SENDER+=" --input-name ps"
 SENDER+=" --channel-config name=ps,type=pair,method=bind,address=tcp://localhost:7779,transport=shmem"
-SENDER+="                  name=sr,type=pair,method=connect,address=tcp://localhost:7780,transport=ofi"
+#SENDER+="                  name=sr,type=pair,method=connect,address=tcp://localhost:7780,transport=ofi"
+SENDER+="                  name=sr,type=pair,method=connect,address=tcp://localhost:7780,transport=zeromq"
 xterm -geometry 80x23+1000+0 -hold -e @EX_BIN_DIR@/$SENDER &
 
 RECEIVER="fairmq-ex-readout-receiver"
 RECEIVER+=" --id receiver1"
-RECEIVER+=" --channel-config name=sr,type=pair,method=bind,address=tcp://localhost:7780,transport=ofi"
+#RECEIVER+=" --channel-config name=sr,type=pair,method=bind,address=tcp://localhost:7780,transport=ofi"
+RECEIVER+=" --channel-config name=sr,type=pair,method=bind,address=tcp://localhost:7780,transport=zeromq"
 xterm -geometry 80x23+1500+0 -hold -e @EX_BIN_DIR@/$RECEIVER &
diff --git a/examples/readout/fairmq-start-ex-readout.sh.in b/examples/readout/fairmq-start-ex-readout.sh.in
index 3f895ad6..01d605cf 100755
--- a/examples/readout/fairmq-start-ex-readout.sh.in
+++ b/examples/readout/fairmq-start-ex-readout.sh.in
@@ -25,10 +25,12 @@ SENDER="fairmq-ex-readout-sender"
 SENDER+=" --id sender1"
 SENDER+=" --input-name bs"
 SENDER+=" --channel-config name=bs,type=pair,method=bind,address=tcp://localhost:7778,transport=shmem"
-SENDER+="                  name=sr,type=pair,method=connect,address=tcp://localhost:7779,transport=ofi"
+# SENDER+="                  name=sr,type=pair,method=connect,address=tcp://localhost:7779,transport=ofi"
+SENDER+="                  name=sr,type=pair,method=connect,address=tcp://localhost:7779,transport=zeromq"
 xterm -geometry 80x23+1000+0 -hold -e @EX_BIN_DIR@/$SENDER &
 
 RECEIVER="fairmq-ex-readout-receiver"
 RECEIVER+=" --id receiver1"
-RECEIVER+=" --channel-config name=sr,type=pair,method=bind,address=tcp://localhost:7779,transport=ofi"
+# RECEIVER+=" --channel-config name=sr,type=pair,method=bind,address=tcp://localhost:7779,transport=ofi"
+RECEIVER+=" --channel-config name=sr,type=pair,method=bind,address=tcp://localhost:7779,transport=zeromq"
 xterm -geometry 80x23+1500+0 -hold -e @EX_BIN_DIR@/$RECEIVER &
diff --git a/fairmq/shmem/Manager.cxx b/fairmq/shmem/Manager.cxx
index a1652a31..b2870251 100644
--- a/fairmq/shmem/Manager.cxx
+++ b/fairmq/shmem/Manager.cxx
@@ -132,9 +132,10 @@ bipc::mapped_region* Manager::CreateRegion(const size_t size, const uint64_t id,
         {
             bipc::scoped_lock<bipc::named_mutex> lock(fShmMtx);
             VoidAlloc voidAlloc(fManagementSegment.get_segment_manager());
-            Uint64RegionInfoMap* m = fManagementSegment.find_or_construct<Uint64RegionInfoMap>(bipc::unique_instance)(voidAlloc);
-            m->emplace(id, RegionInfo(path.c_str(), flags, voidAlloc));
+            Uint64RegionInfoMap* infoMap = fManagementSegment.find_or_construct<Uint64RegionInfoMap>(bipc::unique_instance)(voidAlloc);
+            infoMap->emplace(id, RegionInfo(path.c_str(), flags, voidAlloc));
         }
+        // LOG(debug) << "Created region with id '" << id << "', path: '" << path << "', flags: '" << flags << "'";
 
         auto r = fRegions.emplace(id, fair::mq::tools::make_unique<Region>(*this, id, size, false, callback, path, flags));
 
@@ -158,13 +159,16 @@ Region* Manager::GetRemoteRegion(const uint64_t id)
             // get region info
             {
                 bipc::scoped_lock<bipc::named_mutex> lock(fShmMtx);
-                VoidAlloc voidAlloc(fSegment.get_segment_manager());
-                Uint64RegionInfoMap* m = fManagementSegment.find<Uint64RegionInfoMap>(bipc::unique_instance).first;
-                RegionInfo ri = m->at(id);
-                path = ri.fPath.c_str();
-                flags = ri.fFlags;
-                // LOG(debug) << "path: " << path << ", flags: " << flags;
+                Uint64RegionInfoMap* infoMap = fManagementSegment.find<Uint64RegionInfoMap>(bipc::unique_instance).first;
+                if (infoMap == nullptr) {
+                    LOG(error) << "Unable to locate the region info";
+                    throw SharedMemoryError("Unable to locate remote region info");
+                }
+                RegionInfo regionInfo = infoMap->at(id);
+                path = regionInfo.fPath.c_str();
+                flags = regionInfo.fFlags;
             }
+            // LOG(debug) << "Located remote region with id '" << id << "', path: '" << path << "', flags: '" << flags << "'";
 
             auto r = fRegions.emplace(id, fair::mq::tools::make_unique<Region>(*this, id, 0, true, nullptr, path, flags));
             return r.first->second.get();
diff --git a/fairmq/shmem/Manager.h b/fairmq/shmem/Manager.h
index a7c66317..7c068bfc 100644
--- a/fairmq/shmem/Manager.h
+++ b/fairmq/shmem/Manager.h
@@ -28,6 +28,7 @@
 
 #include <string>
 #include <unordered_map>
+#include <stdexcept>
 
 namespace fair
 {
@@ -36,6 +37,8 @@ namespace mq
 namespace shmem
 {
 
+struct SharedMemoryError : std::runtime_error { using std::runtime_error::runtime_error; };
+
 class Manager
 {
     friend struct Region;