diff --git a/types/wlr_screencopy_v1.c b/types/wlr_screencopy_v1.c
index 3d3f9605..d9b3f8dc 100644
--- a/types/wlr_screencopy_v1.c
+++ b/types/wlr_screencopy_v1.c
@@ -251,6 +251,7 @@ static void frame_handle_output_precommit(struct wl_listener *listener,
 	wl_shm_buffer_end_access(shm_buffer);
 
 	if (!ok) {
+		wlr_log(WLR_ERROR, "Failed to read pixels from renderer");
 		zwlr_screencopy_frame_v1_send_failed(frame->resource);
 		frame_destroy(frame);
 		return;