diff --git a/source/libublsettings.c b/source/libublsettings.c
index c9cbecd..8ccc227 100644
--- a/source/libublsettings.c
+++ b/source/libublsettings.c
@@ -43,7 +43,7 @@ int yon_get_size_get_from_letter(char size){
         break;
         case 'G': return 2;
         break;
-        case 'T': return 0;
+        case 'T': return 3;
         break;
         default: return -1;
         break;