diff --git a/lib/mom/instruction/slot_load.rb b/lib/mom/instruction/slot_load.rb
index 048952de..1801eb8b 100644
--- a/lib/mom/instruction/slot_load.rb
+++ b/lib/mom/instruction/slot_load.rb
@@ -108,7 +108,10 @@ module Mom
         # desctructively replace the existing value to be loaded if more slots
         index = Risc.resolve_to_index(slots[0] , slots[1] ,compiler)
         const << Risc::SlotToReg.new( instruction , right ,index, right)
-        raise "more slots not implemented #{slots}" if slots.length > 2
+        if slots.length > 2
+          raise "3 slots only for type #{slots}" unless slots[2] == :type
+          const << Risc::SlotToReg.new( instruction , right , 1, right)
+        end
       end
       const
     end
diff --git a/lib/vool/statements/send_statement.rb b/lib/vool/statements/send_statement.rb
index ce1c5a7a..78c7eb97 100644
--- a/lib/vool/statements/send_statement.rb
+++ b/lib/vool/statements/send_statement.rb
@@ -93,8 +93,8 @@ module Vool
     # conceptually easy in ruby, but we have to compile that "easy" ruby
     def cache_check(in_method)
       ok = Mom::Label.new("cache_ok_#{self.object_id}")
-      check = build_condition(ok)      # if cached_type != current_type
-      check << Mom::SlotLoad.new([dynamic_call.cache_entry, :cached_type] , [:message , :receiver , :type])
+      check = build_condition(ok, in_method)      # if cached_type != current_type
+      check << Mom::SlotLoad.new([dynamic_call.cache_entry, :cached_type] , receiver_type_definition(in_method))
       check << Mom::ResolveMethod.new( @name , dynamic_call.cache_entry )
       check << ok
     end
@@ -106,9 +106,14 @@ module Vool
     end
 
     private
-    def build_condition(ok_label)
+    def receiver_type_definition(in_method)
+      defi = @receiver.slot_definition(in_method)
+      defi.slots << :type
+      defi
+    end
+    def build_condition(ok_label, in_method)
       cached_type = Mom::SlotDefinition.new(dynamic_call.cache_entry , [:cached_type])
-      current_type = Mom::SlotDefinition.new(:message , [:receiver , :type])
+      current_type = receiver_type_definition(in_method)
       Mom::NotSameCheck.new(cached_type , current_type, ok_label)
     end
   end
diff --git a/test/mom/send/test_send_dynamic.rb b/test/mom/send/test_send_dynamic.rb
index 34cc2b08..366412aa 100644
--- a/test/mom/send/test_send_dynamic.rb
+++ b/test/mom/send/test_send_dynamic.rb
@@ -7,18 +7,19 @@ module Risc
     def setup
       super
       @input = "@a.mod4"
-      @expect = [LoadConstant, SlotToReg, SlotToReg, SlotToReg, OperatorInstruction,
-                 IsZero, SlotToReg, SlotToReg, LoadConstant, RegToSlot,
-                 LoadConstant, LoadConstant, SlotToReg, SlotToReg, Label,
-                 LoadConstant, SlotToReg, OperatorInstruction, IsZero, SlotToReg,
-                 OperatorInstruction, IsZero, SlotToReg, Branch, Label,
-                 Transfer, Syscall, Transfer, Transfer, LoadConstant,
-                 SlotToReg, SlotToReg, RegToSlot, RegToSlot, RegToSlot,
-                 Label, RegToSlot, Label, LoadConstant, LoadConstant,
-                 SlotToReg, RegToSlot, RegToSlot, SlotToReg, SlotToReg,
-                 RegToSlot, SlotToReg, SlotToReg, RegToSlot, SlotToReg,
-                 RegToSlot, SlotToReg, RegToSlot, SlotToReg, SlotToReg,
-                 SlotToReg, RegToSlot, LoadConstant, SlotToReg, DynamicJump]
+      @expect = [LoadConstant, SlotToReg, SlotToReg, SlotToReg, SlotToReg,
+                 OperatorInstruction, IsZero, SlotToReg, SlotToReg, SlotToReg,
+                 LoadConstant, RegToSlot, LoadConstant, LoadConstant, SlotToReg,
+                 SlotToReg, Label, LoadConstant, SlotToReg, OperatorInstruction,
+                 IsZero, SlotToReg, OperatorInstruction, IsZero, SlotToReg,
+                 Branch, Label, Transfer, Syscall, Transfer,
+                 Transfer, LoadConstant, SlotToReg, SlotToReg, RegToSlot,
+                 RegToSlot, RegToSlot, Label, RegToSlot, Label,
+                 LoadConstant, LoadConstant, SlotToReg, RegToSlot, RegToSlot,
+                 SlotToReg, SlotToReg, RegToSlot, SlotToReg, SlotToReg,
+                 RegToSlot, SlotToReg, RegToSlot, SlotToReg, RegToSlot,
+                 SlotToReg, SlotToReg, SlotToReg, RegToSlot, LoadConstant,
+                 SlotToReg, DynamicJump]
     end
 
     def test_send_instructions
@@ -26,23 +27,23 @@ module Risc
     end
     def test_sys
       produced = produce_body
-      assert_equal Syscall , produced.next(26).class
-      assert_equal :exit , produced.next(26).name
+      assert_equal Syscall , produced.next(28).class
+      assert_equal :exit , produced.next(28).name
     end
     def test_load_address
       produced = produce_body
-      assert_equal LoadConstant , produced.next(38).class
-      assert_equal Parfait::CacheEntry , produced.next(38).constant.class
+      assert_equal LoadConstant , produced.next(40).class
+      assert_equal Parfait::CacheEntry , produced.next(40).constant.class
     end
     def test_function_call
       produced = produce_body
-      assert_equal DynamicJump , produced.next(59).class
+      assert_equal DynamicJump , produced.next(61).class
     end
     def test_cache_check
       produced = produce_body
-      assert_equal IsZero , produced.next(5).class
-      assert_equal Label , produced.next(37).class
-      assert_equal produced.next(37) , produced.next(5).label
+      assert_equal IsZero , produced.next(6).class
+      assert_equal Label , produced.next(39).class
+      assert_equal produced.next(39) , produced.next(6).label
     end
   end
 end
diff --git a/test/vool/to_mom/send/test_send_cached_simple.rb b/test/vool/to_mom/send/test_send_cached_simple.rb
index 8a33dbea..0ae179ec 100644
--- a/test/vool/to_mom/send/test_send_cached_simple.rb
+++ b/test/vool/to_mom/send/test_send_cached_simple.rb
@@ -15,8 +15,9 @@ module Vool
     def test_type_update
       load =  @ins.next(2)
       assert_equal :message , load.right.known_object , load
-      assert_equal :receiver , load.right.slots[0] , load
-      assert_equal :type , load.right.slots[1] , load
+      assert_equal :frame , load.right.slots[0] , load
+      assert_equal :a , load.right.slots[1] , load
+      assert_equal :type , load.right.slots[2] , load
     end
     def test_check_resolve_call
       assert_equal ResolveMethod , @ins.next(3).class , @ins