diff --git a/src/wx-createdisc.cc b/src/wx-createdisc.cc
index d9d1a66..f0eb8fc 100644
--- a/src/wx-createdisc.cc
+++ b/src/wx-createdisc.cc
@@ -29,6 +29,7 @@ static struct
         {"320 kB", 2*40*8},
         {"360 kB", 2*40*9},
         {"720 kB", 2*80*9},
+        {"1.2 MB", 2*80*15},
         {"1.44 MB", 2*80*18},
         {"2.88 MB", 2*80*36},
         {"100 MB (Zip)", 2048*96},