diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index a7b1d8c..464ad9b 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -294,7 +294,7 @@
     build_command = [prop_dict["ext_mkuserimg"]]
     if "extfs_sparse_flag" in prop_dict and not disable_sparse:
       build_command.append(prop_dict["extfs_sparse_flag"])
-      run_e2fsck = RunE2fsck
+      run_fsck = RunE2fsck
     build_command.extend([in_dir, out_file, fs_type,
                           prop_dict["mount_point"]])
     build_command.append(prop_dict["image_size"])