diff --git a/src-tauri/windows/hooks.nsh b/src-tauri/windows/hooks.nsh
index 4b1793f4..1ef85534 100644
--- a/src-tauri/windows/hooks.nsh
+++ b/src-tauri/windows/hooks.nsh
@@ -1,3 +1,8 @@
+; Disable NSIS CRC integrity check because Tauri signs the installer
+; after NSIS compilation, which invalidates the CRC. The Authenticode
+; signature already provides integrity verification.
+CRCCheck off
+
 !macro NSIS_HOOK_POSTINSTALL
   Exec '"$INSTDIR\resources\auto-auth-token-fetch.exe" "$EXEPATH"'
 !macroend