diff --git a/src/pokemon.c b/src/pokemon.c
index 19394b8dfd..926286caff 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -3398,6 +3398,9 @@ u8 GetMonsStateToDoubles(void)
     s32 i;
     CalculatePlayerPartyCount();
 
+    if (OW_DOUBLE_APPROACH_WITH_ONE_MON)
+        return PLAYER_HAS_TWO_USABLE_MONS;
+
     if (gPlayerPartyCount == 1)
         return gPlayerPartyCount; // PLAYER_HAS_ONE_MON