diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index 81fd9716df..2971e68bdb 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -3562,7 +3562,9 @@ static s32 AI_DoubleBattle(u32 battlerAtk, u32 battlerDef, u32 move, s32 score)
             case EFFECT_PURIFY:
                 if (gBattleMons[battlerAtkPartner].status1 & STATUS1_ANY)
                 {
-                    RETURN_SCORE_PLUS(WEAK_EFFECT);
+                    if (gBattleMons[battlerAtkPartner].status1 & STATUS1_CAN_MOVE)
+                        RETURN_SCORE_PLUS(WEAK_EFFECT);
+                    RETURN_SCORE_PLUS(GOOD_EFFECT);
                 }
                 break;
             case EFFECT_SWAGGER:
diff --git a/test/battle/move_effect/purify.c b/test/battle/move_effect/purify.c
index 134c96119f..26cc661054 100644
--- a/test/battle/move_effect/purify.c
+++ b/test/battle/move_effect/purify.c
@@ -2,3 +2,25 @@
 #include "test/battle.h"
 
 TO_DO_BATTLE_TEST("TODO: Write Purify (Move Effect) test titles")
+
+AI_DOUBLE_BATTLE_TEST("AI uses Purify")
+{
+    u32 status1;
+
+    PARAMETRIZE { status1 = STATUS1_NONE; }
+    PARAMETRIZE { status1 = STATUS1_FREEZE; }
+
+    GIVEN {
+        AI_FLAGS(AI_FLAG_CHECK_BAD_MOVE | AI_FLAG_TRY_TO_FAINT | AI_FLAG_CHECK_VIABILITY);
+        PLAYER(SPECIES_WOBBUFFET);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Moves(MOVE_HEADBUTT, MOVE_PURIFY); }
+        OPPONENT(SPECIES_WOBBUFFET) { Status1(status1); Moves(MOVE_HEADBUTT); }
+    } WHEN {
+        if (status1 == STATUS1_NONE)
+            TURN { NOT_EXPECT_MOVE(opponentLeft, MOVE_PURIFY); }
+        else
+            TURN { EXPECT_MOVE(opponentLeft, MOVE_PURIFY, target: opponentRight); }
+    }
+}
+