diff --git a/lib/flame/code_sync.ex b/lib/flame/code_sync.ex
index a66c13a..71dd303 100644
--- a/lib/flame/code_sync.ex
+++ b/lib/flame/code_sync.ex
@@ -292,7 +292,7 @@ defmodule FLAME.CodeSync do
 
   def rm_packaged_stream(%PackagedStream{} = pkg) do
     case pkg.stream do
-      val when is_binary(val) or is_nil(val) -> :noop
+      val when is_list(val) or is_nil(val) -> :noop
       %File.Stream{path: path} -> File.rm(path)
     end
 
diff --git a/lib/flame/runner.ex b/lib/flame/runner.ex
index 5f68e79..31017f0 100644
--- a/lib/flame/runner.ex
+++ b/lib/flame/runner.ex
@@ -307,7 +307,7 @@ defmodule FLAME.Runner do
               } = new_runner
 
               ip_port =
-                if base_sync_stream && is_binary(base_sync_stream.stream) do
+                if base_sync_stream && base_sync_stream.eager do
                   {:ok, listen_socket} =
                     :gen_tcp.listen(0, [
                       :binary,