--- plugins/check_ups.c.orig	2008-10-23 14:19:36.000000000 +0200
+++ plugins/check_ups.c	2008-10-23 14:49:18.000000000 +0200
@@ -397,13 +397,13 @@
 	/*  char command[MAX_INPUT_BUFFER]; */
 	char temp_buffer[MAX_INPUT_BUFFER];
 	char send_buffer[MAX_INPUT_BUFFER];
-	char *ptr;
+	char *ptr, *end = NULL;
 	int len;
 
 	*buf=0;
 	
 	/* create the command string to send to the UPS daemon */
-	sprintf (send_buffer, "GET VAR %s %s\n", ups_name, varname);
+	sprintf (send_buffer, "GET VAR %s %s\nLOGOUT\n", ups_name, varname);
 
 	/* send the command to the daemon and get a response back */
 	if (process_tcp_request
@@ -414,8 +414,11 @@
 	}
 
 	ptr = temp_buffer;
+	end = strchr(ptr, '\n');
+	if (end) 
+		*end = 0;
 	len = strlen(ptr);
-	if (len > 0 && ptr[len-1] == '\n') ptr[len-1]=0;
+
 	if (strcmp (ptr, "ERR UNKNOWN-UPS") == 0) {
 		printf (_("CRITICAL - no such ups '%s' on that host\n"), ups_name);
 		return ERROR;