diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 071277c..6b8bf15 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -356,7 +356,7 @@
     fs_config = "META/" + tree_subdir.lower() + "_filesystem_config.txt"
     data = BuildBootableImage(os.path.join(unpack_dir, tree_subdir),
                               os.path.join(unpack_dir, fs_config),
-                              info_dict))
+                              info_dict)
     if data:
       return File(name, data)
     return None