Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -rf6b78d1fe6741043de38707211710ab0e8a08483 -rda838b2d59d8b12a239cd31f8b68b2b1bf78e4ae
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision f6b78d1fe6741043de38707211710ab0e8a08483)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision da838b2d59d8b12a239cd31f8b68b2b1bf78e4ae)
@@ -107,7 +107,7 @@
 #define BP_ML_PER_ROTOR_REV                 6.81            ///< Milliliters per rotor revolusion.
 #define BP_ML_PER_MIN_TO_PUMP_RPM_FACTOR    ( BP_REV_PER_LITER / ML_PER_LITER )     ///< Conversion factor from mL/min to motor RPM.
 #define BP_GEAR_RATIO                       32.0            ///< Blood pump motor to blood pump gear ratio.
-#define BP_PWM_ZERO_OFFSET                  0.1             ///< 10 pct PWM duty cycle = zero speed.
+#define BP_PWM_ZERO_OFFSET                  0.1F            ///< 10 pct PWM duty cycle = zero speed.
 
 /// Conversion macro from mL/min to estimated PWM duty cycle %.
 #define BP_PWM_FROM_ML_PER_MIN(rate)        ( (rate) * BP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * BP_GEAR_RATIO * BP_MOTOR_RPM_TO_PWM_DC_FACTOR + BP_PWM_ZERO_OFFSET )