Merge "Revert "Fixes windows error introduced in CL 345105""
diff --git a/build/scripts/slave/recipes/adt/adb.py b/build/scripts/slave/recipes/adt/adb.py
index 17c2831..9e94d77 100644
--- a/build/scripts/slave/recipes/adt/adb.py
+++ b/build/scripts/slave/recipes/adt/adb.py
@@ -61,7 +61,7 @@
                        '--build-dir', build_dir,
                        '--skiplog']
     if api.platform.is_win:
-      upload_log_args.append('--iswindows')
+      upload_log_args['--iswindows'] = True
     api.python("Zip and Upload Logs", log_util_path, upload_log_args)
 
 def GenTests(api):