diff --git a/git-credential-luci b/git-credential-luci
index e0a6811cde..08e76bb3ec 100755
--- a/git-credential-luci
+++ b/git-credential-luci
@@ -6,6 +6,12 @@
 
 # See revert instructions in cipd_manifest.txt
 
+# In git bash on Windows, invoke the batch file.
+if [ "$(expr "$(uname -s)" : "^MINGW64_NT")" == "10" ]; then
+    git-credential-luci.bat "$@"
+    exit
+fi
+
 MYPATH=$(dirname "${BASH_SOURCE[0]}")
 
 source "$MYPATH/cipd_bin_setup.sh"