Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -r3db5538afb80bc12822304d698343e0325fa708e -ra7675f3c917b632cf16207fc7ccfc1f38eb83f9b
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 3db5538afb80bc12822304d698343e0325fa708e)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision a7675f3c917b632cf16207fc7ccfc1f38eb83f9b)
@@ -49,7 +49,7 @@
 #define DIALYSATE_DIALYZER_TUBE_VOLUME_ML                   115                                                ///< This total tube volume is used to calculate the Dpi & Dpo time out in the dialysate dialyzer state.
 #define DIALYSATE_DIALYZER_BYPASS_TUBE_VOLUME_ML             75                                                ///< This volume is used to calculate the DPi pump time out in the dialyzer bypass state.
 #define DIALYZER_DVI_PATH_VOLUME_ML                          17                                                ///< Path volume from the dialyzer to the VDI valve in mL.
-#define DIALYZER_VOLUME_SCALE_FACTOR                        0.5                                                ///< Half of the dialyzer total volume.
+#define DIALYZER_VOLUME_SCALE_FACTOR                        0.5F                                               ///< Half of the dialyzer total volume.
 
 #define NO_AIR_DETECTED_COUNT                               ( 20 * MS_PER_SECOND )                             ///< No air detected time period count.
 #define PURGE_AIR_TIME_OUT_COUNT                            ( 60 * MS_PER_SECOND )                             ///< Time period count for purge air time out.