diff --git a/mix.exs b/mix.exs
index f61cc6923..c0f3b105b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -217,7 +217,7 @@ defmodule Pleroma.Mixfile do
            branch_name <- System.get_env("PLEROMA_BUILD_BRANCH") || branch_name,
            true <-
              !Enum.all?(["master", "HEAD", "release/", "stable"], fn name ->
-               name != branch_name
+               String.starts_with?(name, branch_name)
              end) do
         branch_name =
           branch_name