diff -ruN cflowd-2-1-b1.orig/classes/src/CflowdPacketQueue.cc cflowd-2-1-b1/classes/src/CflowdPacketQueue.cc
--- cflowd-2-1-b1.orig/classes/src/CflowdPacketQueue.cc 2013-03-21 23:05:26.000000000 +0100
+++ cflowd-2-1-b1/classes/src/CflowdPacketQueue.cc      2013-03-21 23:06:13.000000000 +0100
@@ -118,7 +118,7 @@
 //-------------------------------------------------------------------------
 int CflowdPacketQueue::GetSemaphore(const char *name)
 {
-  int  mapsemid = semget(ftok((char *)name,0),2,S_IRWXU|S_IRWXG|S_IRWXO);
+  int  mapsemid = semget(ftok((char *)name,0),2,SEM_A|(SEM_A>>3)|(SEM_A>>6));
   if (mapsemid < 0) {
     syslog(LOG_ERR,
            "[E] semget(ftok(\"%s\",0),2,S_IRWXU|S_IRWXG|S_IRWXO)"