diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index bbb61a59c7..b4a7b605f3 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11919,8 +11919,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             if (!arg3) {
                 tsp = NULL;
             } else {
-                target_to_host_timespec(ts, arg3);
-                target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
+                if (target_to_host_timespec(ts, arg3)) {
+                    return -TARGET_EFAULT;
+                }
+                if (target_to_host_timespec(ts + 1, arg3 +
+                                            sizeof(struct target_timespec))) {
+                    return -TARGET_EFAULT;
+                }
                 tsp = ts;
             }
             if (!arg2)