diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index dc71bc1a25..014cef63a0 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -3698,8 +3698,8 @@ void SetMoveEffect(bool32 primary, bool32 certain)
                     flags = MOVE_EFFECT_AFFECTS_USER | MOVE_EFFECT_CERTAIN;
                 else
                     flags = 0;
-                if (mirrorArmorReflected)
-                    flags |= (STAT_CHANGE_ALLOW_PTR * !affectsUser);
+                if (mirrorArmorReflected && !affectsUser)
+                    flags |= STAT_CHANGE_ALLOW_PTR;
                 else
                     flags |= STAT_CHANGE_UPDATE_MOVE_EFFECT;
 
@@ -3753,9 +3753,12 @@ void SetMoveEffect(bool32 primary, bool32 certain)
                     flags = 0;
                 if (mirrorArmorReflected && !affectsUser)
                     flags |= STAT_CHANGE_ALLOW_PTR;
+                else
+                    flags |= STAT_CHANGE_UPDATE_MOVE_EFFECT;
+
                 if (ChangeStatBuffs(SET_STAT_BUFF_VALUE(2) | STAT_BUFF_NEGATIVE,
                                     gBattleScripting.moveEffect - MOVE_EFFECT_ATK_MINUS_2 + 1,
-                                    flags | STAT_CHANGE_UPDATE_MOVE_EFFECT, gBattlescriptCurrInstr + 1) == STAT_CHANGE_DIDNT_WORK)
+                                    flags, gBattlescriptCurrInstr + 1) == STAT_CHANGE_DIDNT_WORK)
                 {
                     if (!mirrorArmorReflected)
                         gBattlescriptCurrInstr++;
diff --git a/test/battle/ability/mirror_armor.c b/test/battle/ability/mirror_armor.c
index 5aa2b55ef3..0918682d76 100644
--- a/test/battle/ability/mirror_armor.c
+++ b/test/battle/ability/mirror_armor.c
@@ -211,3 +211,18 @@ SINGLE_BATTLE_TEST("Mirror Armor reflects Tangling Hair speed drop")
         ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
     }
 }
+
+SINGLE_BATTLE_TEST("Mirror Armor reflects Obstruct defense drop")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_CORVIKNIGHT) { Ability(ABILITY_MIRROR_ARMOR); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_OBSTRUCT); MOVE(opponent, MOVE_TACKLE); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_OBSTRUCT, player);
+        NOT ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, opponent);
+        ABILITY_POPUP(opponent, ABILITY_MIRROR_ARMOR);
+        ANIMATION(ANIM_TYPE_GENERAL, B_ANIM_STATS_CHANGE, player);
+    }
+}