diff --git a/t/t4130-apply-criss-cross-rename.sh b/t/t4130-apply-criss-cross-rename.sh
index d173acde0f2c44..f8a313bcb98c6e 100755
--- a/t/t4130-apply-criss-cross-rename.sh
+++ b/t/t4130-apply-criss-cross-rename.sh
@@ -13,9 +13,13 @@ create_file() {
 }
 
 test_expect_success 'setup' '
-	create_file file1 "File1 contents" &&
-	create_file file2 "File2 contents" &&
-	create_file file3 "File3 contents" &&
+	# Ensure that file sizes are different, because on Windows
+	# lstat() does not discover inode numbers, and we need
+	# other properties to discover swapped files
+	# (mtime is not always different, either).
+	create_file file1 "some content" &&
+	create_file file2 "some other content" &&
+	create_file file3 "again something else" &&
 	git add file1 file2 file3 &&
 	git commit -m 1
 '