diff --git a/mboxd_msg.c b/mboxd_msg.c
index 7304521..ffeae0e 100644
--- a/mboxd_msg.c
+++ b/mboxd_msg.c
@@ -135,7 +135,7 @@
  */
 static uint16_t get_suggested_timeout(struct mbox_context *context)
 {
-	struct window_context *window = find_largest_window(context);
+	struct window_context *window = windows_find_largest(context);
 	uint32_t max_size_mb = window ? (window->size >> 20) : 0;
 	uint16_t ret;