1 files changed, 1 insertions, 1 deletions
diff --git a/t/t1600-index.sh b/t/t1600-index.sh
index 9368d82f7d..62e7fd1596 100755
--- a/t/t1600-index.sh
+++ b/t/t1600-index.sh
@@ -118,7 +118,7 @@ test_index_version () {
 		fi &&
 		git add a &&
 		echo $EXPECTED_OUTPUT_VERSION >expect &&
-		test-tool index-version <.git/index >actual &&
+		git update-index --show-index-version >actual &&
 		test_cmp expect actual
 	)
 }