diff --git a/lib/vtansi.lua b/lib/vtansi.lua
index db23345..a7bfd11 100644
--- a/lib/vtansi.lua
+++ b/lib/vtansi.lua
@@ -114,7 +114,7 @@ function vtansi.vtemu(gpu) -- takes GPU component proxy *gpu* and returns a func
         fg = colours[num-29]
        elseif num > 39 and num < 48 then
         bg = colours[num-39]
-       elseif num == 100 then -- disable local echo
+       elseif num == 100 or num == 8 then -- disable local echo
         ec = false
        elseif num == 101 then -- disable line mode
         lb = false