diff --git a/PKHeX.Core/Saves/SAV4.cs b/PKHeX.Core/Saves/SAV4.cs
index 6a2dca9bc..394736937 100644
--- a/PKHeX.Core/Saves/SAV4.cs
+++ b/PKHeX.Core/Saves/SAV4.cs
@@ -43,7 +43,7 @@ public SAV4(byte[] data = null, GameVersion versionOverride = GameVersion.Any)
         }
 
         // Configuration
-        public override SaveFile Clone() { return new SAV4(Data, Version); }
+        public override SaveFile Clone() { return new SAV4((byte[])Data.Clone(), Version); }
 
         public override int SIZE_STORED => PKX.SIZE_4STORED;
         protected override int SIZE_PARTY => PKX.SIZE_4PARTY;
diff --git a/PKHeX.Core/Saves/SAV5.cs b/PKHeX.Core/Saves/SAV5.cs
index 8172712e3..1dc49fb82 100644
--- a/PKHeX.Core/Saves/SAV5.cs
+++ b/PKHeX.Core/Saves/SAV5.cs
@@ -102,7 +102,7 @@ public SAV5(byte[] data = null, GameVersion versionOverride = GameVersion.Any)
         }
 
         // Configuration
-        public override SaveFile Clone() { return new SAV5(Data, Version); }
+        public override SaveFile Clone() { return new SAV5((byte[])Data.Clone(), Version); }
 
         public override int SIZE_STORED => PKX.SIZE_5STORED;
         protected override int SIZE_PARTY => PKX.SIZE_5PARTY;
diff --git a/PKHeX.Core/Saves/SAV6.cs b/PKHeX.Core/Saves/SAV6.cs
index 4f6d353fa..e65255f5d 100644
--- a/PKHeX.Core/Saves/SAV6.cs
+++ b/PKHeX.Core/Saves/SAV6.cs
@@ -32,7 +32,7 @@ public SAV6(byte[] data = null)
         }
 
         // Configuration
-        public override SaveFile Clone() { return new SAV6(Data); }
+        public override SaveFile Clone() { return new SAV6((byte[])Data.Clone()); }
         
         public override int SIZE_STORED => PKX.SIZE_6STORED;
         protected override int SIZE_PARTY => PKX.SIZE_6PARTY;
diff --git a/PKHeX.Core/Saves/SAV7.cs b/PKHeX.Core/Saves/SAV7.cs
index 6cd7141c7..713648608 100644
--- a/PKHeX.Core/Saves/SAV7.cs
+++ b/PKHeX.Core/Saves/SAV7.cs
@@ -49,7 +49,7 @@ public SAV7(byte[] data = null)
         }
         
         // Configuration
-        public override SaveFile Clone() { return new SAV7(Data); }
+        public override SaveFile Clone() { return new SAV7((byte[])Data.Clone()); }
         
         public override int SIZE_STORED => PKX.SIZE_6STORED;
         protected override int SIZE_PARTY => PKX.SIZE_6PARTY;