diff --git a/src/overlay.cpp b/src/overlay.cpp
index 0abf8e9..d68e9fb 100644
--- a/src/overlay.cpp
+++ b/src/overlay.cpp
@@ -83,7 +83,7 @@ void update_hud_info(struct swapchain_stats& sw_stats, struct overlay_params& pa
             now - sw_stats.last_present_time;
    }
 
-   frametime = now - sw_stats.last_present_time;
+   frametime = (now - sw_stats.last_present_time) / 1000;
    if (elapsed >= params.fps_sampling_period) {
       std::thread(update_hw_info, std::ref(sw_stats), std::ref(params), vendorID).detach();
       sw_stats.fps = fps;