diff --git a/src/libc64/aprintf.c b/src/libc64/aprintf.c
index c862108a..a7f30151 100644
--- a/src/libc64/aprintf.c
+++ b/src/libc64/aprintf.c
@@ -2,5 +2,5 @@
 #include "libultra/xprintf.h" /* _Printf */
 
 extern int vaprintf(aprout_func_t* func, const char* fmt, va_list ap) {
-  return _Printf(func->prout_func, &func->prout_func, fmt, ap);
+  return _Printf(func->prout_func, func, fmt, ap);
 }