diff --git a/docker-diff b/docker-diff
index 447c45f..401621c 100755
--- a/docker-diff
+++ b/docker-diff
@@ -13,6 +13,6 @@ else
     AWK='{printf "%-10s %-10s %-100s\n",$1,$3,$6}'
 fi
 
-diff <(docker export "$container_a" | docker run -i --rm ubuntu tar tvf - | awk "$AWK") <(docker export "$container_b" | docker run -i --rm ubuntu tar tvf - | awk "$AWK")
+diff <(docker export "$container_a" | docker run -i --rm busybox tar tvf - | awk "$AWK") <(docker export "$container_b" | docker run -i --rm busybox tar tvf - | awk "$AWK")
 
 docker rm -fv "$container_a" "$container_b"