diff --git a/Dockerfile b/Dockerfile
index ef8ea2d..dd3f6c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,5 +33,5 @@ ENTRYPOINT ["/entrypoint.sh"]
 
 EXPOSE 5900
 
-CMD ["x11vnc", "-display", ":1", "-nopw"]
+CMD ["x11vnc", "-display", ":1", "-nopw", "-ncache", "10"]