diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9be8e9530e3686db18f30cdc8eb2a16804575852..fccd6312adc1dff2c46ac0e5999363dd0303c7cc 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11561,7 +11561,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
 #ifdef CONFIG_INOTIFY1
 #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
     case TARGET_NR_inotify_init1:
-        ret = get_errno(sys_inotify_init1(arg1));
+        ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1,
+                                          fcntl_flags_tbl)));
         break;
 #endif
 #endif