diff --git a/external/config/bootenv/sun50iw6-default.txt b/external/config/bootenv/sun50iw6-default.txt
index d8014dc..ebb2450 100644
--- a/external/config/bootenv/sun50iw6-default.txt
+++ b/external/config/bootenv/sun50iw6-default.txt
@@ -3,3 +3,4 @@ console=both
 disp_mode=1080p60
 fb0_width=1280
 fb0_height=720
+extraargs=cma=25M