Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -r846d04b392ffb11d26e5f8376734e1d5335b140e -rea094ccc41536e9d6436397f68499b9b97e9ec92
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision 846d04b392ffb11d26e5f8376734e1d5335b140e)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision ea094ccc41536e9d6436397f68499b9b97e9ec92)
@@ -1039,7 +1039,7 @@
     if ( concentratePumps[ pumpId ].currentPumpSpeed > NEARLY_ZERO )
     {
         F32 timePerStep;
-        F32 stepPeriodCounts = timePerStep / ( CONCENTRATE_PUMP_STEP_PERIOD_RESOLUTION * CONCENTRATE_PUMP_MICRO_STEPS_PER_STEP );
+        F32 stepPeriodCounts;
 
         if ( TRUE == getTestConfigStatus( TEST_CONFIG_DIENER_CONC_PUMP ) )
         {
@@ -1049,7 +1049,7 @@
         {
             timePerStep = CONCENTRATE_PUMP_VOLUME_PER_REV / ( concentratePumps[ pumpId ].currentPumpSpeed * CONCENTRATE_PUMP_STEP_PER_REV );
         }
-
+        stepPeriodCounts = timePerStep / ( CONCENTRATE_PUMP_STEP_PERIOD_RESOLUTION * CONCENTRATE_PUMP_MICRO_STEPS_PER_STEP );
         concentratePumps[ pumpId ].togglePeriodCount = (U16)( stepPeriodCounts + FLOAT_TO_INT_ROUNDUP_OFFSET );
     }
     else