diff --git a/src/Nazara/Network/Posix/SocketImpl.cpp b/src/Nazara/Network/Posix/SocketImpl.cpp
index d76e9a34e..0f9c6f824 100644
--- a/src/Nazara/Network/Posix/SocketImpl.cpp
+++ b/src/Nazara/Network/Posix/SocketImpl.cpp
@@ -19,7 +19,7 @@
 
 #if !defined(TCP_KEEPIDLE) && defined(TCP_KEEPALIVE)
 #define TCP_KEEPIDLE TCP_KEEPALIVE // see -> https://gitlab.freedesktop.org/spice/usbredir/-/issues/9
-#endi
+#endif
 
 namespace Nz
 {
@@ -601,7 +601,7 @@ namespace Nz
 		}
 
 		IpAddress senderIp;
-#if not defined(MSG_NOSIGNAL)
+#if defined(MSG_NOSIGNAL)
 		int byteRead = recvmsg(handle, &msgHdr, MSG_NOSIGNAL);
 #else
 		int byteRead = recvmsg(handle, &msgHdr, 0);
@@ -721,7 +721,7 @@ namespace Nz
 		msgHdr.msg_iov = sysBuffers.data();
 		msgHdr.msg_iovlen = static_cast<int>(bufferCount);
 
-#if not defined(MSG_NOSIGNAL)
+#if defined(MSG_NOSIGNAL)
 		int byteSent = sendmsg(handle, &msgHdr, MSG_NOSIGNAL);
 #else
 		int byteSent = sendmsg(handle, &msgHdr, 0);