diff --git a/nx/source/runtime/nxlink_stdio.c b/nx/source/runtime/nxlink_stdio.c
index b4b10cf9..a67d1adf 100644
--- a/nx/source/runtime/nxlink_stdio.c
+++ b/nx/source/runtime/nxlink_stdio.c
@@ -9,7 +9,7 @@
 
 static int sock = -1;
 
-int nxlinkStdio()
+int nxlinkStdio(void)
 {
     int ret = -1;
     struct sockaddr_in srv_addr;