diff --git a/arch/nt32/src/vtbl.c b/arch/nt32/src/vtbl.c
index 7e9c0e8..5336615 100644
--- a/arch/nt32/src/vtbl.c
+++ b/arch/nt32/src/vtbl.c
@@ -1,4 +1,5 @@
 #include "psxglue.h"
+#include "errno.h"
 
 unsigned long **	__syscall_vtbl	= 0;
 struct __ldso_vtbl *	__ldso_vtbl	= 0;
@@ -10,3 +11,17 @@ void __chkstk_ms(void)
 {
 }
 
+long __syscall_alert(long n)
+{
+	char __lmsg[] = "DING ALARM! UNIMPLEMENTED SYSCALL 000\n";
+
+	__lmsg[36] = '0' + n % 10; n /= 10;
+	__lmsg[35] = '0' + n % 10; n /= 10;
+	__lmsg[34] = '0' + n % 10;
+
+	__psx_vtbl->log_output(
+		__lmsg,
+		sizeof(__lmsg));
+
+	return -ENOSYS;
+}