diff --git a/src/mess/mess.lst b/src/mess/mess.lst
index 4274f02c539..e73341940f5 100644
--- a/src/mess/mess.lst
+++ b/src/mess/mess.lst
@@ -725,6 +725,7 @@ t1000sx   // 1987 Tandy 1000 SX (similiar to PCJr)
 t1000tx // 1987 Tandy 1000 TX
 t1000rl // 1989 Tandy 1000 RL
 t1000tl2 // 1989 Tandy 1000 TL/2
+t1000sl2 // 198? Tandy 1000 SL/2
 
 // XT
 ibm5160   // 1982 IBM XT 5160