diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 6cec380..5d942b5 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -933,7 +933,7 @@
       else:
         logger.warning(
             "Failed to find %s fro %s", filename, prop)
-        del d[key_name]
+        del d[prop]
 
     # Redirect erofs_[default_]compress_hints files
     redirect_file("erofs_default_compress_hints",