diff --git a/PKHeX.WinForms/Subforms/Save Editors/Gen3/SAV_Misc3.cs b/PKHeX.WinForms/Subforms/Save Editors/Gen3/SAV_Misc3.cs
index ee45ac7ae..29124574a 100644
--- a/PKHeX.WinForms/Subforms/Save Editors/Gen3/SAV_Misc3.cs	
+++ b/PKHeX.WinForms/Subforms/Save Editors/Gen3/SAV_Misc3.cs	
@@ -364,7 +364,9 @@ private void saveBF()
                 iSymbols |= (uint)((Symbols[i] & 3) << i * 2);
             if (CHK_ActivatePass.Checked)
                 iSymbols |= 1 << 14;
-            BitConverter.GetBytes(BitConverter.ToUInt32(SAV.Data, ofsSymbols) & ~(0x7FFF << 4) | (iSymbols & 0x7FFF) << 4).CopyTo(SAV.Data, ofsSymbols);
+            
+            uint val = (uint)(BitConverter.ToUInt32(SAV.Data, ofsSymbols) & ~(0x7FFF << 4) | (iSymbols & 0x7FFF) << 4);
+            BitConverter.GetBytes(val).CopyTo(SAV.Data, ofsSymbols);
         }
         private void BTN_Symbol_Click(object sender, EventArgs e)
         {
diff --git a/PKHeX/Legality/RNG/RNG.cs b/PKHeX/Legality/RNG/RNG.cs
index 171a087fe..83c118858 100644
--- a/PKHeX/Legality/RNG/RNG.cs
+++ b/PKHeX/Legality/RNG/RNG.cs
@@ -2,9 +2,9 @@
 {
     public class RNG
     {
-        public static RNG LCRNG = new RNG(0x41C64E6D, 0x00006073, 0xEEB9EB65, 0x0A3561A1);
-        public static RNG XDRNG = new RNG(0x000343FD, 0x00269EC3, 0xB9B33155, 0xA170F641);
-        public static RNG ARNG  = new RNG(0x6C078965, 0x00000001, 0x9638806D, 0x69C77F93);
+        public static readonly RNG LCRNG = new RNG(0x41C64E6D, 0x00006073, 0xEEB9EB65, 0x0A3561A1);
+        public static readonly RNG XDRNG = new RNG(0x000343FD, 0x00269EC3, 0xB9B33155, 0xA170F641);
+        public static readonly RNG ARNG  = new RNG(0x6C078965, 0x00000001, 0x9638806D, 0x69C77F93);
 
         private readonly uint Mult, Add, rMult, rAdd;
         protected RNG(uint f_mult, uint f_add, uint r_mult, uint r_add)