diff --git a/PKHeX/Saves/SAV4.cs b/PKHeX/Saves/SAV4.cs
index 8cab4befc..75a7ff4b9 100644
--- a/PKHeX/Saves/SAV4.cs
+++ b/PKHeX/Saves/SAV4.cs
@@ -759,7 +759,7 @@ protected override void setDex(PKM pkm)
             const int brSize = 0x40;
             int bit = pkm.Species - 1;
             byte mask = (byte) (1 << (bit&7));
-            int ofs = PokeDex + bit>>3 + 0x4;
+            int ofs = PokeDex + (bit>>3) + 0x4;
 
             // Set the Species Owned Flag
             Data[ofs + brSize*0] |= mask;