diff --git a/lib/core/actor.ex b/lib/core/actor.ex
index 9a13f6e..2262d95 100644
--- a/lib/core/actor.ex
+++ b/lib/core/actor.ex
@@ -3,13 +3,13 @@ defmodule Scopes.Core.Actor do
 
   defp loop(bhv) do
     receive do
+      {:become, bhv_n} -> loop(bhv_n)
       msg ->
         Logger.debug([msg: inspect(msg)])
         case msg do
           {:message, msg} ->
             bhv.(msg)
             loop(bhv)
-          {:become, bhv_n} -> loop(bhv_n)
           {:register, reg, name, value} -> 
             Registry.register(reg, name, value)
             loop(bhv)
@@ -19,11 +19,13 @@ defmodule Scopes.Core.Actor do
   end
 
   def create(bhv) do
-    spawn_link(fn -> loop(bhv) end)
+    #spawn_link(fn -> loop(bhv) end)
+    spawn(fn -> loop(bhv) end)
   end
 
   def create(bhv, reg, name, value \\ []) do
-    spawn_link(fn -> 
+    #spawn_link(fn -> 
+    spawn(fn -> 
       Registry.register(reg, name, value)
       loop(bhv) end)
   end
diff --git a/lib/core/environ.ex b/lib/core/environ.ex
index 2ede5b7..d0f48e1 100644
--- a/lib/core/environ.ex
+++ b/lib/core/environ.ex
@@ -33,12 +33,12 @@ defmodule Scopes.Core.Environ do
   def proc_env(msg, scope = {state, _proc, _syns, env}) do
     case Shape.head(msg) do
       {:exec, func} -> func.(state)
-      [:csys, :created | _rest] -> process_creation(msg, scope)
+      [:csys, :created | _rest] -> process_created(msg, scope)
       _ -> send(env, msg) # forward message to application
     end
   end
 
-  def process_creation(msg, {state, proc, syns, env}) do
+  def process_created(msg, {state, proc, syns, env}) do
     data = Shape.data(msg)
     new = data.new
     addr = data[:addr]
diff --git a/test/core/core_test.exs b/test/core/core_test.exs
index 503d916..80a2ab7 100644
--- a/test/core/core_test.exs
+++ b/test/core/core_test.exs
@@ -18,7 +18,7 @@ defmodule Scopes.CoreTest do
   describe "core-basic:" do
     test "minimal-b1" do
       Environ.setup(Program.prepare_basic(), Program.init_seq_b1())
-      Process.sleep(10)
+      Process.sleep(5)
       env = Environ.get_cell({:env, :c00})
       Environ.forward_value(env, [:csys, :c00, "0-0"], 0)
       assert 0 = receive_data().value
@@ -28,18 +28,18 @@ defmodule Scopes.CoreTest do
       Environ.forward_value(env, [:csys, :s01, "1-1"], 3)
       assert receive_data().value in [2, 3]
       assert receive_data().value in [2, 3]
-      refute_receive msg, 10, "unhandled message(s): #{inspect(msg)}"
+      refute_receive msg, 5, "unhandled message(s): #{inspect(msg)}"
     end
 
     test "recursive-1" do
       Environ.setup(Program.prepare_basic(), Program.init_recursive_1())
-      Process.sleep(10)
+      Process.sleep(5)
       env = Environ.get_cell({:env, :c00})
       Environ.forward_value(env, [:csys, :s01, "1-1"], 42)
       assert receive_data().value == 42
       Environ.forward_value(env, [:csys, :s01, "1-1"], 47)
       assert receive_data().value == 5
-      refute_receive msg, 10, "unhandled message(s): #{inspect(msg)}"
+      refute_receive msg, 5, "unhandled message(s): #{inspect(msg)}"
     end
   end
 end