diff --git a/src/server/bnetserver/Server/Session.cpp b/src/server/bnetserver/Server/Session.cpp
index 36137b20b41..062ee535b23 100644
--- a/src/server/bnetserver/Server/Session.cpp
+++ b/src/server/bnetserver/Server/Session.cpp
@@ -672,6 +672,7 @@ bool Battlenet::Session::Update()
     if (_queryFuture.valid() && _queryFuture.wait_for(std::chrono::seconds(0)) == std::future_status::ready)
     {
         auto callback = std::move(_queryCallback);
+        _queryCallback = nullptr;
         callback(_queryFuture.get());
     }
 
diff --git a/src/server/game/Server/WorldSocket.cpp b/src/server/game/Server/WorldSocket.cpp
index 7f9b398e50d..6839e5831de 100644
--- a/src/server/game/Server/WorldSocket.cpp
+++ b/src/server/game/Server/WorldSocket.cpp
@@ -130,6 +130,7 @@ bool WorldSocket::Update()
         if (_queryFuture.valid() && _queryFuture.wait_for(std::chrono::seconds(0)) == std::future_status::ready)
         {
             auto callback = std::move(_queryCallback);
+            _queryCallback = nullptr;
             callback(_queryFuture.get());
         }
     }