diff --git a/linux-user/strace.list b/linux-user/strace.list
index ebb7132..a04706a 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -433,7 +433,8 @@
 { TARGET_NR_io_cancel, "io_cancel" , NULL, NULL, NULL },
 #endif
 #ifdef TARGET_NR_ioctl
-{ TARGET_NR_ioctl, "ioctl" , "%s(%d,%#x,%#x)", NULL, NULL },
+{ TARGET_NR_ioctl, "ioctl" , NULL, print_ioctl,
+                   print_syscall_ret_ioctl},
 #endif
 #ifdef TARGET_NR_io_destroy
 { TARGET_NR_io_destroy, "io_destroy" , NULL, NULL, NULL },