diff --git a/ChangeLog b/ChangeLog
index e7635311..dee2d902 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -14837,3 +14837,6 @@
 2015-03-16 Fred Gleason <fredg@paravelsystems.com>
 	* Added 'DESCRIPTION', 'OUTCUE', 'FILENAME' and '*_POINT' fields
 	to the 'Cart CSV Report' in 'rdlibrary/list_reports.cpp'.
+2015-03-23 Fred Gleason <fredg@paravelsystems.com>
+	* Fixed a fencepost bug in 'ripcd/sasusi.cpp' that caused the
+	last relay in the list to fail to respond to a 'GO' RML.
diff --git a/ripcd/sasusi.cpp b/ripcd/sasusi.cpp
index 3eb52283..6edd5cee 100644
--- a/ripcd/sasusi.cpp
+++ b/ripcd/sasusi.cpp
@@ -288,10 +288,11 @@ void SasUsi::processCommand(RDMacro *cmd)
 	  }
 	  cmd_byte=0x01;
 	}
-	if(cmd->arg(2).toUInt()<sas_relay_numbers.size()) {
+	if(cmd->arg(2).toUInt()<=sas_relay_numbers.size()) {
 	  if(sas_relay_numbers[cmd->arg(2).toUInt()-1]>=0) {
 	    snprintf(str,256,"\x05R%d%04d\x0D\x0A",cmd_byte,
 		    sas_relay_numbers[cmd->arg(2).toUInt()-1]);
+	    syslog(LOG_NOTICE,"USI: %s",(const char *)PrettifyCommand(str));
 	    SendCommand(str);
 	    cmd->acknowledge(true);
 	    emit rmlEcho(cmd);