diff -Naur -x '*~' ndoutils-1.5.2/src/queue.c ndoutils-1.5.2-fix-format-errors/src/queue.c
--- ndoutils-1.5.2/src/queue.c	2012-06-07 12:21:50.000000000 +0200
+++ ndoutils-1.5.2-fix-format-errors/src/queue.c	2014-08-01 14:33:03.148540309 +0200
@@ -77,7 +77,7 @@
 		if(msgctl(queue_id, IPC_STAT, &queue_stats)) {
 			sprintf(curstats, "Unable to determine current message queue usage: error reading IPC_STAT: %d", errno);
 			sprintf(logmsg, logfmt, curstats);
-			syslog(LOG_ERR, logmsg);
+			syslog(LOG_ERR, "%s", logmsg);
 			}
 		else {
 #if defined( __linux__)
@@ -86,18 +86,18 @@
 			if( msgmni < 0) {
 				sprintf(curstats, "Unable to determine current message queue usage: error reading IPC_INFO: %d", errno);
 				sprintf(logmsg, logfmt, curstats);
-				syslog(LOG_ERR, logmsg);
+				syslog(LOG_ERR, "%s", logmsg);
 				}
 			else {
 				sprintf(curstats, statsfmt, queue_stats.msg_qnum, 
 						(unsigned long)msgmni, queue_stats.__msg_cbytes, 
 						queue_stats.msg_qbytes);
 				sprintf(logmsg, logfmt, curstats);
-				syslog(LOG_ERR, logmsg);
+				syslog(LOG_ERR, "%s", logmsg);
 				}
 #else
 			sprintf(logmsg, logfmt, "");
-			syslog(LOG_ERR, logmsg);
+			syslog(LOG_ERR, "%s", logmsg);
 #endif
 			}
 		last_retry_log_time = now;