diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 10c81993e8..25edc5d759 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -14530,6 +14530,8 @@ static void Cmd_selectfirstvalidtarget(void)
         if (IsBattlerAlive(gBattlerTarget))
             break;
     }
+    if (gBattlerTarget >= gBattlersCount)
+        gBattlerTarget = 0;
     gBattlescriptCurrInstr = cmd->nextInstr;
 }