diff --git a/utils/build_script_windows.bat b/utils/build_script_windows.bat
index d1adaf8e..a224b843 100644
--- a/utils/build_script_windows.bat
+++ b/utils/build_script_windows.bat
@@ -170,11 +170,11 @@ set installer_path=%BUILDS_PATH%\builds\%installer_file%
 
 @echo "   SIGNING ...."
 
-:: %ZANO_SIGN_CMD% %installer_path%
-:: IF %ERRORLEVEL% NEQ 0 (
-::  @echo "failed to sign installer"
-::   goto error
-:: )
+%ZANO_SIGN_CMD% %installer_path%
+IF %ERRORLEVEL% NEQ 0 (
+  @echo "failed to sign installer"
+  goto error
+)
 
 @echo "   UPLOADING TO SERVER ...."