Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r29a2c3c7d7618489c0ada9f98e1d30226b455392 -r98d8996eaace58d6d75b5884d6e8c0d3c2df3b17
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 29a2c3c7d7618489c0ada9f98e1d30226b455392)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 98d8996eaace58d6d75b5884d6e8c0d3c2df3b17)
@@ -104,7 +104,7 @@
 /// Macro converts flow rate to motor RPM.
 #define DIP_ML_PER_MIN_TO_PUMP_RPM_FACTOR    ( DIP_REV_PER_LITER / ML_PER_LITER )
 #define DIP_GEAR_RATIO                       32.0            ///< DialIn pump motor to dialIn pump gear ratio.
-#define DIP_PWM_ZERO_OFFSET                  0.1             ///< 10% PWM duty cycle = zero speed.
+#define DIP_PWM_ZERO_OFFSET                  0.1F            ///< 10% PWM duty cycle = zero speed.
 
 /// Macro converts flow rate to estimate PWM needed to achieve it.
 #define DIP_PWM_FROM_ML_PER_MIN(rate)        ( (rate) * DIP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * DIP_GEAR_RATIO * DIP_MOTOR_RPM_TO_PWM_DC_FACTOR + DIP_PWM_ZERO_OFFSET )