diff --git a/src/battle_setup.c b/src/battle_setup.c
index 0c13fcdd09..37204c1d8d 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -1742,8 +1742,8 @@ static bool32 UpdateRandomTrainerRematches(const struct RematchTrainer *table, u
 
     for (i = 0; i <= REMATCH_SPECIAL_TRAINER_START; i++)
     {
-        if (DoesCurrentMapMatchRematchTrainerMap(i,table,mapGroup,mapNum) && !IsRematchForbidden(i))
-            continue;
+        if (!DoesCurrentMapMatchRematchTrainerMap(i,table,mapGroup,mapNum) || IsRematchForbidden(i))
+            continue; // Only check permitted trainers within the current map.
 
         if (gSaveBlock1Ptr->trainerRematches[i] != 0)
         {