diff --git a/kernel.py b/kernel.py
index 3c23dde..0dcb56b 100644
--- a/kernel.py
+++ b/kernel.py
@@ -258,7 +258,7 @@ class CodeHandler:
                 packet = tools.read_uint32(self.geckoCodes.codeList)
                 self.geckoCodes.codeList.seek(-4, 1)
                 tools.write_uint32(self.geckoCodes.codeList, (packet^key) & 0xFFFFFFFF)
-                key += (i ^ key) & 0xFFFFFFFF
+                key += (i << 3) & 0xFFFFFFFF
                 if key > 0xFFFFFFFF:
                     key -= 0x100000000
                 i += 1
diff --git a/loader.cpp b/loader.cpp
index aef3a45..cea6536 100644
--- a/loader.cpp
+++ b/loader.cpp
@@ -289,7 +289,7 @@ namespace Memory {
 
       for (u32 i = 0; i < size; ++i) {
         dest[i] = buffer[i] ^ key;
-        key += i ^ key;
+        key += i << 3;
       }
     }
   };