Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rbecd984764c6f1737369fc7078059c46809f1864 -rf655570eb5cc08353250c77e2d3933baac65b0d7
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision becd984764c6f1737369fc7078059c46809f1864)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision f655570eb5cc08353250c77e2d3933baac65b0d7)
@@ -15,6 +15,8 @@
 *
 ***************************************************************************/
 
+#include <string.h>     // for memset()
+
 #include "ConcentratePumps.h"
 #include "ConductivitySensors.h"
 #include "CPLD.h"