diff --git a/src/network/NetworkUser.cpp b/src/network/NetworkUser.cpp
index b9fe9e7d74..28ce006b76 100644
--- a/src/network/NetworkUser.cpp
+++ b/src/network/NetworkUser.cpp
@@ -184,7 +184,11 @@ void NetworkUserManager::UnsetUsersOfGroup(uint8 groupId)
 
 void NetworkUserManager::RemoveUser(const std::string &hash)
 {
-    _usersByHash[hash]->Remove = true;
+    NetworkUser * networkUser = GetUserByHash(hash);
+    if (networkUser != nullptr)
+    {
+        networkUser->Remove = true;
+    }
 }
 
 NetworkUser * NetworkUserManager::GetUserByHash(const std::string &hash)