diff --git a/sw/pc/sc64.py b/sw/pc/sc64.py
index b3cc238..c473561 100644
--- a/sw/pc/sc64.py
+++ b/sw/pc/sc64.py
@@ -38,7 +38,7 @@ class SC64:
 
     __SC64_VERSION_V2 = 0x53437632
 
-    __UPDATE_OFFSET = 0x03B60000
+    __UPDATE_OFFSET = 0x03B00000
 
     __CHUNK_SIZE = 256 * 1024