Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -rb01542f8e4ef5a29e9b08fc0d465478de516bf02 -r40a0bc77c53a4eb538580d44f1117d26f1d37fb2
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision b01542f8e4ef5a29e9b08fc0d465478de516bf02)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 40a0bc77c53a4eb538580d44f1117d26f1d37fb2)
@@ -98,7 +98,7 @@
 #define SIZE_OF_ROLLING_AVG                  ( ( MS_PER_SECOND / TASK_PRIORITY_INTERVAL ) * 10 )
 
 /// dialysate flow sensor signal strength low alarm persistence.
-#define FLOW_SIG_STRGTH_ALARM_PERSIST        ( ( MS_PER_SECOND / TASK_PRIORITY_INTERVAL ) * 5 )
+#define FLOW_SIG_STRGTH_ALARM_PERSIST        ( 5 * MS_PER_SECOND )
 #define MIN_FLOW_SIG_STRENGTH                0.9             ///< Minimum flow sensor signal strength (90%).
 
 /// Enumeration of dialysate inlet pump states.