Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -re35f0d8e7b67994b08d5aae573bae442a9add3ca -r644c1ebeade5987267280efa4e91fd2b97745853
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision e35f0d8e7b67994b08d5aae573bae442a9add3ca)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 644c1ebeade5987267280efa4e91fd2b97745853)
@@ -388,10 +388,11 @@
 {
     BOOL result = FALSE;
     F32 pwm = DOP_MOTOR_SPEED_RPM_TO_PWM( rpm );
-    F32 targetRate = DOP_ML_PER_MIN_FROM_PWM_BASIC( pwm );
 
-    result = setDialOutPumpTargetRate( (U32)targetRate, dir, PUMP_CONTROL_MODE_OPEN_LOOP );
+    pwm = ( MOTOR_DIR_REVERSE == dir ? pwm * -1.0F : pwm );
 
+    result = setDialOutPumpToFixedPWM( pwm );
+
     return result;
 }