Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r4d7d40a27130dc813d653f044cbb856b1b7d8481 -r87a22cbaa87daab0d7cedabc67452cead83d8630
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 4d7d40a27130dc813d653f044cbb856b1b7d8481)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 87a22cbaa87daab0d7cedabc67452cead83d8630)
@@ -817,12 +817,12 @@
 {
     BOOL result = FALSE;
 
-    if ( message->hdr.payloadLen == sizeof(U32) )
+    if ( message->hdr.payloadLen == sizeof( DRAIN_CMD_T ) )
     {
-        U32 drainToVolMl;
+        DRAIN_CMD_T drainToVolMl;
 
         result = TRUE;
-        memcpy( &drainToVolMl, message->payload, sizeof(U32) );
+        memcpy( &drainToVolMl, message->payload, sizeof( DRAIN_CMD_T ) );
 
         startDrainCmd( drainToVolMl );
     }