Index: sources/canbus/MessageGlobals.h
===================================================================
diff -u -r7bde5ac0646170a584dd5410fcf89fd9bc8b251c -re8cab20e0e58654a05fb2db5f58c23f8edb56beb
--- sources/canbus/MessageGlobals.h	(.../MessageGlobals.h)	(revision 7bde5ac0646170a584dd5410fcf89fd9bc8b251c)
+++ sources/canbus/MessageGlobals.h	(.../MessageGlobals.h)	(revision e8cab20e0e58654a05fb2db5f58c23f8edb56beb)
@@ -79,7 +79,7 @@
     {Gui::GuiActionType::ID_Vitals                                  ,   3 * 4       }, // 3 parameters each 4bytes
     {Gui::GuiActionType::ID_Ultrafiltration                         ,   4 * 4       }, // 4 parameters each 4bytes
     {Gui::GuiActionType::ID_IsolatedUF                              ,   4 * 4       }, // 4 parameters each 4bytes
-    {Gui::GuiActionType::ID_Heparin                                 ,   2 * 4       }, // 2 parameters each 4bytes
+    {Gui::GuiActionType::ID_Heparin                                 ,   3 * 4       }, // 2 parameters each 4bytes
     {Gui::GuiActionType::ID_Rinseback                               ,   6 * 4       }, // 6 parameters each 4bytes
     {Gui::GuiActionType::ID_Recirculate                             ,   2 * 4       }, // 2 parameters each 4bytes
     {Gui::GuiActionType::ID_BloodPrime                              ,   4 * 4       }, // 4 parameters each 4bytes