diff --git a/alpine/packages/9pinit/etc/init.d/9pinit b/alpine/packages/9pinit/etc/init.d/9pinit
index ab59e0c4c..e24d7335a 100755
--- a/alpine/packages/9pinit/etc/init.d/9pinit
+++ b/alpine/packages/9pinit/etc/init.d/9pinit
@@ -14,7 +14,7 @@ start()
 			;;
 		"plan9")
 			mkdir -p /Mac
-			mount -t 9p -o trans=virtio,dfltuid=1001,dfltgid=50,version=9p2000.u plan9 /Mac
+			mount -t 9p -o trans=virtio,dfltuid=1001,dfltgid=50,version=9p2000.u,msize=32768 plan9 /Mac
 			;;
 		"fuse")
 			mkdir -p /Transfuse