diff --git a/lib/vool/local_assignment.rb b/lib/vool/local_assignment.rb
index fcc93ee4..85019b0a 100644
--- a/lib/vool/local_assignment.rb
+++ b/lib/vool/local_assignment.rb
@@ -10,7 +10,9 @@ module Vool
     # Only snag is that we do not know this position, as only the compiler knows
     # if the variable name is a local or an arg. So we delegate to the compiler.
     def slot_position( compiler )
-      compiler.slot_type_for(@name)
+      slot = compiler.slot_type_for(@name)
+      #puts "SLOT= #{slot}"
+      slot
     end
 
   end
diff --git a/lib/vool/send_statement.rb b/lib/vool/send_statement.rb
index 2a7ffff3..187c7a28 100644
--- a/lib/vool/send_statement.rb
+++ b/lib/vool/send_statement.rb
@@ -46,10 +46,10 @@ module Vool
     def message_setup(compiler,called_method)
       setup  = Mom::MessageSetup.new( called_method )
       mom_receive = @receiver.to_slot(compiler)
-      arg_target = [:message , :next_message , :arguments]
+      arg_target = [:message , :next_message ]
       args = []
       @arguments.each_with_index do |arg , index| # +1 because of type
-        args << Mom::SlotLoad.new(self, arg_target + [index + 1] , arg.to_slot(compiler))
+        args << Mom::SlotLoad.new(self, arg_target + ["arg#{index+1}".to_sym] , arg.to_slot(compiler))
       end
       setup << Mom::ArgumentTransfer.new(self, mom_receive , args )
     end
diff --git a/lib/vool/yield_statement.rb b/lib/vool/yield_statement.rb
index 13e1ac15..02de0092 100644
--- a/lib/vool/yield_statement.rb
+++ b/lib/vool/yield_statement.rb
@@ -50,10 +50,10 @@ module Vool
       arg_index = compiler.get_method.arguments_type.get_length - 1
       setup  = Mom::MessageSetup.new( arg_index )
       mom_receive = @receiver.to_slot(compiler)
-      arg_target = [:message , :next_message , :arguments]
+      arg_target = [:message , :next_message ]
       args = []
       @arguments.each_with_index do |arg , index| # +1 because of type
-        args << Mom::SlotLoad.new(self, arg_target + [index + 1] , arg.to_slot(compiler))
+        args << Mom::SlotLoad.new(self, arg_target + ["arg#{index+1}".to_sym] , arg.to_slot(compiler))
       end
       setup << Mom::ArgumentTransfer.new( self , mom_receive , args )
       setup << Mom::BlockYield.new( self , arg_index )
diff --git a/test/vool/lambdas/test_assign.rb b/test/vool/lambdas/test_assign.rb
index e7966b2b..92e64870 100644
--- a/test/vool/lambdas/test_assign.rb
+++ b/test/vool/lambdas/test_assign.rb
@@ -60,7 +60,7 @@ module VoolBlocks
       assert @ins.left
     end
     def test_slots_left
-      assert_equal [:caller,:caller, :arguments, :arg] , @ins.left.slots
+      assert_equal [:caller,:caller, :arg1] , @ins.left.slots
     end
   end
 
diff --git a/test/vool/send/test_send_args_send.rb b/test/vool/send/test_send_args_send.rb
index f3fb4fd5..713a9fe6 100644
--- a/test/vool/send/test_send_args_send.rb
+++ b/test/vool/send/test_send_args_send.rb
@@ -29,7 +29,7 @@ module Vool
       left = @ins.next(1).arguments[0].left
       assert_equal Symbol, left.known_object.class
       assert_equal :message, left.known_object
-      assert_equal [:next_message, :arguments, 1], left.slots
+      assert_equal [:next_message, :arg1], left.slots
     end
   end
 end
diff --git a/test/vool/send/test_send_simple_args.rb b/test/vool/send/test_send_simple_args.rb
index 734fd710..427b27b0 100644
--- a/test/vool/send/test_send_simple_args.rb
+++ b/test/vool/send/test_send_simple_args.rb
@@ -13,7 +13,7 @@ module Vool
     end
     def test_args_two_move
       assert_equal :next_message, @ins.next(1).arguments[1].left.slots[0]
-      assert_equal :arguments,    @ins.next(1).arguments[1].left.slots[1]
+      assert_equal :arg2,    @ins.next(1).arguments[1].left.slots[1]
     end
     def test_args_two_str
       assert_equal Mom::IntegerConstant,    @ins.next(1).arguments[1].right.known_object.class
diff --git a/test/vool/send/test_send_simple_string.rb b/test/vool/send/test_send_simple_string.rb
index b6e3bd80..09edaabf 100644
--- a/test/vool/send/test_send_simple_string.rb
+++ b/test/vool/send/test_send_simple_string.rb
@@ -13,12 +13,12 @@ module Vool
 
     def test_args_one_move
       assert_equal :next_message, @ins.next.arguments[0].left.slots[0]
-      assert_equal :arguments,    @ins.next.arguments[0].left.slots[1]
+      assert_equal :arg1,    @ins.next.arguments[0].left.slots[1]
     end
     def test_args_one_str
       assert_equal Mom::IntegerConstant,    @ins.next.arguments[0].right.known_object.class
       assert_equal 1,    @ins.next.arguments[0].right.known_object.value
-      assert_equal [:next_message, :arguments, 1],    @ins.next.arguments[0].left.slots
+      assert_equal [:next_message, :arg1],    @ins.next.arguments[0].left.slots
     end
   end
 end
diff --git a/test/vool/test_assignment.rb b/test/vool/test_assignment.rb
index 9ddddc05..43e61704 100644
--- a/test/vool/test_assignment.rb
+++ b/test/vool/test_assignment.rb
@@ -65,11 +65,8 @@ module Vool
     def test_slot_starts_at_message
       assert_equal :message , @ins.left.known_object
     end
-    def test_slot_gets_self
-      assert_equal :arguments , @ins.left.slots[0]
-    end
-    def test_slot_assigns_to_local
-      assert_equal :arg , @ins.left.slots[-1]
+    def test_slot_gets_arg
+      assert_equal :arg1 , @ins.left.slots[0]
     end
   end
 
diff --git a/test/vool/test_local_assignment.rb b/test/vool/test_local_assignment.rb
index 4df953f9..45a68a64 100644
--- a/test/vool/test_local_assignment.rb
+++ b/test/vool/test_local_assignment.rb
@@ -35,4 +35,34 @@ module Vool
       assert_equal Mom::IntegerConstant ,  @ins.right.known_object.class
     end
   end
+
+  class TestArgMom < MiniTest::Test
+    include VoolCompile
+
+    def setup
+      Parfait.boot!(Parfait.default_test_options)
+      @compiler = compile_first_method( "arg = 5")
+      @ins = @compiler.mom_instructions.next
+    end
+
+    def test_class_compiles
+      assert_equal Mom::SlotLoad , @ins.class , @ins
+    end
+    def test_slot_is_set
+      assert @ins.left
+    end
+    def test_slot_starts_at_message
+      assert_equal :message , @ins.left.known_object
+    end
+    def test_slot_gets_arg
+      assert_equal :arg1 , @ins.left.slots[0]
+    end
+    def test_slot_assigns_something
+      assert @ins.right
+    end
+    def test_slot_assigns_int
+      assert_equal Mom::IntegerConstant ,  @ins.right.known_object.class
+    end
+  end
+
 end
diff --git a/test/vool/test_yield_statement.rb b/test/vool/test_yield_statement.rb
index 1dbd59ad..9304f26d 100644
--- a/test/vool/test_yield_statement.rb
+++ b/test/vool/test_yield_statement.rb
@@ -26,7 +26,7 @@ module Vool
       left = @ins.next(3).arguments[0].left
       assert_equal Symbol, left.known_object.class
       assert_equal :message, left.known_object
-      assert_equal [:next_message, :arguments, 1], left.slots
+      assert_equal [:next_message, :arg1], left.slots
     end
     def test_check_left
       assert_equal SlotDefinition, @ins.left.class