diff --git a/python/scripts/precompile_python.py b/python/scripts/precompile_python.py
index 07b8fe97b..b3cf950d9 100644
--- a/python/scripts/precompile_python.py
+++ b/python/scripts/precompile_python.py
@@ -30,6 +30,7 @@ def process_one_file(name, infile, outzip):
     # Date was chosen to be the same as
     # https://cs.android.com/android/platform/superproject/main/+/main:build/soong/jar/jar.go;l=36;drc=2863e4535eb65e15f955dc8ed48fa99b1d2a1db5
     info = zipfile.ZipInfo(filename=name, date_time=(2008, 1, 1, 0, 0, 0))
+    info.compress_type = zipfile.ZIP_DEFLATED
 
     if not info.filename.endswith('.py'):
         outzip.writestr(info, infile.read())