diff --git a/src/battle_main.c b/src/battle_main.c
index 6caff36f50..0c7f023bba 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -4707,8 +4707,8 @@ static void TryChangeTurnOrder(void)
         {
             u8 battler1 = gBattlerByTurnOrder[i];
             u8 battler2 = gBattlerByTurnOrder[j];
-            if (gActionsByTurnOrder[i] = B_ACTION_USE_MOVE
-                && gActionsByTurnOrder[j] = B_ACTION_USE_MOVE)
+            if (gActionsByTurnOrder[i] == B_ACTION_USE_MOVE
+                && gActionsByTurnOrder[j] == B_ACTION_USE_MOVE)
             {
                 if (GetWhoStrikesFirst(battler1, battler2, FALSE))
                     SwapTurnOrder(i, j);