diff --git a/Libraries/LibCore/TCPServer.cpp b/Libraries/LibCore/TCPServer.cpp
index 9a730325f4..bfc8a9ce61 100644
--- a/Libraries/LibCore/TCPServer.cpp
+++ b/Libraries/LibCore/TCPServer.cpp
@@ -60,7 +60,7 @@ bool TCPServer::listen(const IPv4Address& address, u16 port)
     ASSERT(rc == 0);
     m_listening = true;
 
-    m_notifier = Notifier::construct(m_fd, Notifier::Event::Read);
+    m_notifier = Notifier::construct(m_fd, Notifier::Event::Read, this);
     m_notifier->on_ready_to_read = [this] {
         if (on_ready_to_accept)
             on_ready_to_accept();
diff --git a/Libraries/LibCore/UdpServer.cpp b/Libraries/LibCore/UdpServer.cpp
index 6145115af8..a1b9bd8a8d 100644
--- a/Libraries/LibCore/UdpServer.cpp
+++ b/Libraries/LibCore/UdpServer.cpp
@@ -60,7 +60,7 @@ bool UdpServer::listen(const IPv4Address& address, u16 port)
     ASSERT(rc == 0);
     m_listening = true;
 
-    m_notifier = Notifier::construct(m_fd, Notifier::Event::Read);
+    m_notifier = Notifier::construct(m_fd, Notifier::Event::Read, this);
     m_notifier->on_ready_to_read = [this] {
         if (on_ready_to_accept)
             on_ready_to_accept();