Index: firmware/App/Controllers/DGInterface.h
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -ra7675f3c917b632cf16207fc7ccfc1f38eb83f9b
--- firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision a7675f3c917b632cf16207fc7ccfc1f38eb83f9b)
@@ -32,7 +32,7 @@
 
 // ********** public definitions **********
 
-#define DEFAULT_TARGET_FILL_FLOW_RATE_LPM   0.8     ///< Default target fill flow rate in L/min.
+#define DEFAULT_TARGET_FILL_FLOW_RATE_LPM   0.8F    ///< Default target fill flow rate in L/min.
 #define DRAIN_RESERVOIR_TO_VOLUME_ML        0       ///< Drain reservoir to this volume (in mL) during treatment.
 
 /// DG Concentrate ratios data structure.