diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ee8899e..ca63594 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8237,7 +8237,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
 #endif /* CONFIG_EVENTFD  */
 #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
     case TARGET_NR_fallocate:
-        ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
+        ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
+                                  target_offset64(arg5, arg6)));
         break;
 #endif
 #if defined(CONFIG_SYNC_FILE_RANGE)