diff --git a/src/ipxwrapper.def b/src/ipxwrapper.def
index efb3726..d373277 100644
--- a/src/ipxwrapper.def
+++ b/src/ipxwrapper.def
@@ -13,3 +13,4 @@ EXPORTS
 	EnumProtocolsA
 	EnumProtocolsW
 	WSARecvEx
+	ioctlsocket
diff --git a/src/ipxwrapper.h b/src/ipxwrapper.h
index 86e71f5..74704cd 100644
--- a/src/ipxwrapper.h
+++ b/src/ipxwrapper.h
@@ -169,5 +169,6 @@ int WSAAPI r_sendto(SOCKET,const char*,int,int,const struct sockaddr*,int);
 int WSAAPI r_setsockopt(SOCKET,int,int,const char*,int);
 int WSAAPI r_shutdown(SOCKET,int);
 SOCKET WSAAPI r_socket(int,int,int);
+int PASCAL r_ioctlsocket(SOCKET fd, long cmd, u_long *argp);
 
 #endif /* !IPXWRAPPER_H */
diff --git a/src/ipxwrapper_stubs.txt b/src/ipxwrapper_stubs.txt
index 77b8a4f..cab1044 100644
--- a/src/ipxwrapper_stubs.txt
+++ b/src/ipxwrapper_stubs.txt
@@ -7,6 +7,7 @@ htonl
 ntohl
 htons
 ntohs
+select
 r_EnumProtocolsA
 r_EnumProtocolsW
 r_WSARecvEx
@@ -20,3 +21,4 @@ r_sendto
 r_setsockopt
 r_shutdown
 r_socket
+r_ioctlsocket
diff --git a/src/winsock.c b/src/winsock.c
index 506e41b..46571ac 100644
--- a/src/winsock.c
+++ b/src/winsock.c
@@ -658,3 +658,34 @@ int PASCAL shutdown(SOCKET fd, int cmd) {
 		RETURN(r_shutdown(fd, cmd));
 	}
 }
+
+int PASCAL ioctlsocket(SOCKET fd, long cmd, u_long *argp) {
+	ipx_socket *sockptr = get_socket(fd);
+	
+	if(sockptr && cmd == FIONREAD) {
+		ipx_packet packet;
+		fd_set fdset;
+		struct timeval tv = {0,0};
+		
+		FD_ZERO(&fdset);
+		FD_SET(sockptr->fd, &fdset);
+		
+		int r = select(1, &fdset, NULL, NULL, &tv);
+		if(r == -1) {
+			RETURN(-1);
+		}else if(r == 0) {
+			*(unsigned long*)argp = 0;
+			RETURN(0);
+		}
+		
+		r = r_recv(sockptr->fd, (char*)&packet, sizeof(packet), MSG_PEEK);
+		if(r == -1 && WSAGetLastError() != WSAEMSGSIZE) {
+			RETURN(-1);
+		}
+		
+		*(unsigned long*)argp = packet.size;
+		RETURN(0);
+	}else{
+		RETURN(r_ioctlsocket(fd, cmd, argp));
+	}
+}