diff --git a/git_cache.py b/git_cache.py
index 2bcc139..aedac25 100755
--- a/git_cache.py
+++ b/git_cache.py
@@ -26,6 +26,8 @@
 
 # Analogous to gc.autopacklimit git config.
 GC_AUTOPACKLIMIT = 50
+if sys.platform.startswith('win'):
+  GC_AUTOPACKLIMIT = 9
 
 GIT_CACHE_CORRUPT_MESSAGE = 'WARNING: The Git cache is corrupt.'