diff --git a/fairmq/shmem/Manager.h b/fairmq/shmem/Manager.h
index e35b7cb6..a9ec1c2d 100644
--- a/fairmq/shmem/Manager.h
+++ b/fairmq/shmem/Manager.h
@@ -415,10 +415,10 @@ class Manager
         while (fRegionEventsSubscriptionActive) {
             auto infos = GetRegionInfoUnsafe();
             for (const auto& i : infos) {
-                auto el = fObservedRegionEvents.find(i.id);
+                auto el = fObservedRegionEvents.find({i.id, i.managed});
                 if (el == fObservedRegionEvents.end()) {
                     fRegionEventCallback(i);
-                    fObservedRegionEvents.emplace(i.id, i.event);
+                    fObservedRegionEvents.emplace(std::make_pair(i.id, i.managed), i.event);
                 } else {
                     if (el->second == RegionEvent::created && i.event == RegionEvent::destroyed) {
                         fRegionEventCallback(i);
@@ -617,7 +617,7 @@ class Manager
     std::thread fRegionEventThread;
     bool fRegionEventsSubscriptionActive;
     std::function<void(fair::mq::RegionInfo)> fRegionEventCallback;
-    std::unordered_map<uint16_t, RegionEvent> fObservedRegionEvents;
+    std::map<std::pair<uint16_t, bool>, RegionEvent> fObservedRegionEvents;
 
     DeviceCounter* fDeviceCounter;
     Uint16SegmentInfoHashMap* fShmSegments;
diff --git a/test/region/_region.cxx b/test/region/_region.cxx
index ab2e6201..80708256 100644
--- a/test/region/_region.cxx
+++ b/test/region/_region.cxx
@@ -50,12 +50,12 @@ void RegionEventSubscriptions(const string& transport)
 
         ASSERT_EQ(factory->SubscribedToRegionEvents(), false);
         factory->SubscribeToRegionEvents([&](FairMQRegionInfo info) {
-            LOG(warn) << ">>>" << info.event;
-            LOG(warn) << "managed: " << info.managed;
-            LOG(warn) << "id: " << info.id;
-            LOG(warn) << "ptr: " << info.ptr;
-            LOG(warn) << "size: " << info.size;
-            LOG(warn) << "flags: " << info.flags;
+            LOG(info) << ">>> " << info.event << ": "
+                      << (info.managed ? "managed" : "unmanaged")
+                      << ", id: " << info.id
+                      << ", ptr: " << info.ptr
+                      << ", size: " << info.size
+                      << ", flags: " << info.flags;
             if (info.event == FairMQRegionEvent::created) {
                 if (info.id == id1) {
                     ASSERT_EQ(info.size, size1);