1 files changed, 4 insertions, 0 deletions
diff --git a/atari/misc.c b/atari/misc.c
index 2893bde5f..90a8bee2b 100755
--- a/atari/misc.c
+++ b/atari/misc.c
@@ -449,6 +449,10 @@ long nkc_to_input_key(short nkc, long * ucs4_out)
 
 			case NK_UP:
 				ik = KEY_UP;
+			break;
+
+			case NK_UNDO:
+				ik = KEY_UNDO;
 			break;
 
 			case NK_DOWN: