diff --git a/fairmq/ofi/Socket.h b/fairmq/ofi/Socket.h
index ebd7fe9f..153e89b6 100644
--- a/fairmq/ofi/Socket.h
+++ b/fairmq/ofi/Socket.h
@@ -41,7 +41,7 @@ class Socket final : public fair::mq::Socket
 
     auto GetId() const -> std::string override { return fId; }
 
-    auto Events(uint32_t *events) -> void override { *events = 0; }
+    auto Events(uint32_t *events) -> int override { *events = 0; }
     auto Bind(const std::string& address) -> bool override;
     auto Connect(const std::string& address) -> bool override;
 
diff --git a/fairmq/shmem/Manager.h b/fairmq/shmem/Manager.h
index 01249c19..85e4f0bb 100644
--- a/fairmq/shmem/Manager.h
+++ b/fairmq/shmem/Manager.h
@@ -410,7 +410,7 @@ class Manager
             }
             fRegionEventsShmCV.notify_all();
         } catch(std::out_of_range& oor) {
-            LOG(debug) << "RemoveRegion() could not locate region with id'" << id << "'";
+            LOG(debug) << "RemoveRegion() could not locate region with id '" << id << "'";
         }
         fRegionsGen += 1; // signal TL cache invalidation
     }