diff --git a/include/constants/battle_config.h b/include/constants/battle_config.h
index 2f025053df..0baf5d4fc0 100644
--- a/include/constants/battle_config.h
+++ b/include/constants/battle_config.h
@@ -57,7 +57,8 @@
 
 // Move settings
 #define B_FELL_STINGER_STAT_RAISE   GEN_6 // Gen6 Atk+2, Gen7 Atk+3.
-#define B_SOUND_SUBSTITUTE          GEN_6 // Starting from gen6 sound moves bypass Substitute.
+#define B_SOUND_SUBSTITUTE          GEN_6 // Starting from Gen6 sound moves bypass Substitute.
+#define B_TOXIC_NEVER_MISS          GEN_6 // Starting from Gen6, if Toxic is used by a Poison type, it will never miss.
 
 // Ability settings
 #define B_ABILITY_POP_UP            GEN_6 // Starting from gen5, the pokemon abilities are displayed in a pop-up, when they activate in battle.
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index cdffeaf7fb..eb42249554 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -1197,7 +1197,9 @@ static bool32 AccuracyCalcHelper(u16 move)
         JumpIfMoveFailed(7, move);
         return TRUE;
     }
-    else if (gBattleMoves[move].effect == EFFECT_TOXIC && IS_BATTLER_OF_TYPE(gBattlerAttacker, TYPE_POISON))
+    else if (B_TOXIC_NEVER_MISS >= GEN_6
+            && gBattleMoves[move].effect == EFFECT_TOXIC
+            && IS_BATTLER_OF_TYPE(gBattlerAttacker, TYPE_POISON))
     {
         JumpIfMoveFailed(7, move);
         return TRUE;