Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -rf90c1eef73251d75ce49645eb05deb492a486ff0 -rfe42cf04eec138a529f06190ab70a72384b60e34
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision f90c1eef73251d75ce49645eb05deb492a486ff0)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision fe42cf04eec138a529f06190ab70a72384b60e34)
@@ -59,6 +59,7 @@
 #include "StateFlushFilterDefeatured.h"
 #include "StateFlushPermeate.h"
 #include "StateInletPressureCheck.h"
+#include "SubstitutionPump.h"
 #include "SystemCommDD.h"
 #include "SubstitutionPump.h"
 #include "Temperature.h"