diff --git a/games/Star_Trek_(BASIC)/build_BA.TREK b/games/Star_Trek_(BASIC)/build_BA.TREK
index b7b9dcd..e2cc383 100644
--- a/games/Star_Trek_(BASIC)/build_BA.TREK
+++ b/games/Star_Trek_(BASIC)/build_BA.TREK
@@ -17,6 +17,7 @@ BASIC
 140  REM ***        TOTAL INTERACTION GAME - ORIG. 20 OCT 1972
 150  REM ***                                                           ***
 160  REM *****************************************************************
+165  R0=RND(1)
 170  GOSUB 5460
 180  PRINT "                          STAR TREK "
 190  PRINT "DO YOU WANT INSTRUCTIONS (THEY'RE LONG!)";