diff --git a/Kernel/Net/IPv4Socket.h b/Kernel/Net/IPv4Socket.h
index 15676e347d..f38f90799a 100644
--- a/Kernel/Net/IPv4Socket.h
+++ b/Kernel/Net/IPv4Socket.h
@@ -94,7 +94,7 @@ protected:
     virtual KResult protocol_bind() { return KSuccess; }
     virtual KResult protocol_listen() { return KSuccess; }
     virtual int protocol_receive(const KBuffer&, void*, size_t, int) { return -ENOTIMPL; }
-    virtual int protocol_send(const void*, int) { return -ENOTIMPL; }
+    virtual int protocol_send(const void*, size_t) { return -ENOTIMPL; }
     virtual KResult protocol_connect(FileDescription&, ShouldBlock) { return KSuccess; }
     virtual int protocol_allocate_local_port() { return 0; }
     virtual bool protocol_is_disconnected() const { return false; }
diff --git a/Kernel/Net/TCPSocket.cpp b/Kernel/Net/TCPSocket.cpp
index 24373175bf..0ab25c643d 100644
--- a/Kernel/Net/TCPSocket.cpp
+++ b/Kernel/Net/TCPSocket.cpp
@@ -158,13 +158,13 @@ int TCPSocket::protocol_receive(const KBuffer& packet_buffer, void* buffer, size
     return payload_size;
 }
 
-int TCPSocket::protocol_send(const void* data, int data_length)
+int TCPSocket::protocol_send(const void* data, size_t data_length)
 {
     send_tcp_packet(TCPFlags::PUSH | TCPFlags::ACK, data, data_length);
     return data_length;
 }
 
-void TCPSocket::send_tcp_packet(u16 flags, const void* payload, int payload_size)
+void TCPSocket::send_tcp_packet(u16 flags, const void* payload, size_t payload_size)
 {
     auto buffer = ByteBuffer::create_zeroed(sizeof(TCPPacket) + payload_size);
     auto& tcp_packet = *(TCPPacket*)(buffer.data());
diff --git a/Kernel/Net/TCPSocket.h b/Kernel/Net/TCPSocket.h
index ef90e722ed..24ff66218e 100644
--- a/Kernel/Net/TCPSocket.h
+++ b/Kernel/Net/TCPSocket.h
@@ -147,7 +147,7 @@ public:
     u32 packets_out() const { return m_packets_out; }
     u32 bytes_out() const { return m_bytes_out; }
 
-    void send_tcp_packet(u16 flags, const void* = nullptr, int = 0);
+    void send_tcp_packet(u16 flags, const void* = nullptr, size_t = 0);
     void send_outgoing_packets();
     void receive_tcp_packet(const TCPPacket&, u16 size);
 
@@ -171,7 +171,7 @@ private:
     static NetworkOrdered<u16> compute_tcp_checksum(const IPv4Address& source, const IPv4Address& destination, const TCPPacket&, u16 payload_size);
 
     virtual int protocol_receive(const KBuffer&, void* buffer, size_t buffer_size, int flags) override;
-    virtual int protocol_send(const void*, int) override;
+    virtual int protocol_send(const void*, size_t) override;
     virtual KResult protocol_connect(FileDescription&, ShouldBlock) override;
     virtual int protocol_allocate_local_port() override;
     virtual bool protocol_is_disconnected() const override;
diff --git a/Kernel/Net/UDPSocket.cpp b/Kernel/Net/UDPSocket.cpp
index 060e3fddf2..3609ef826c 100644
--- a/Kernel/Net/UDPSocket.cpp
+++ b/Kernel/Net/UDPSocket.cpp
@@ -88,7 +88,7 @@ int UDPSocket::protocol_receive(const KBuffer& packet_buffer, void* buffer, size
     return udp_packet.length() - sizeof(UDPPacket);
 }
 
-int UDPSocket::protocol_send(const void* data, int data_length)
+int UDPSocket::protocol_send(const void* data, size_t data_length)
 {
     auto routing_decision = route_to(peer_address(), local_address());
     if (routing_decision.is_zero())
diff --git a/Kernel/Net/UDPSocket.h b/Kernel/Net/UDPSocket.h
index b0e0ce0f47..3cc416e63f 100644
--- a/Kernel/Net/UDPSocket.h
+++ b/Kernel/Net/UDPSocket.h
@@ -42,7 +42,7 @@ private:
     static Lockable<HashMap<u16, UDPSocket*>>& sockets_by_port();
 
     virtual int protocol_receive(const KBuffer&, void* buffer, size_t buffer_size, int flags) override;
-    virtual int protocol_send(const void*, int) override;
+    virtual int protocol_send(const void*, size_t) override;
     virtual KResult protocol_connect(FileDescription&, ShouldBlock) override;
     virtual int protocol_allocate_local_port() override;
     virtual KResult protocol_bind() override;