-static char *rcsId = "$Header: /misc/hadesprojects/daq/cvsroot/eventbuilder/hadaq/evtbuild.c,v 6.125 2010-08-04 09:16:09 hadaq Exp $";
+static char *rcsId = "$Header: /misc/hadesprojects/daq/cvsroot/eventbuilder/hadaq/evtbuild.c,v 6.126 2010-08-16 08:41:33 hadaq Exp $";
 
 #define _POSIX_C_SOURCE 199309L
 #define SYSLOG_NAMES
                                fputc('\n', stderr);
                        }
 
-                       if (*my->evtsDiscarded - lastED > 0) {
+                       if ((long) (*my->evtsDiscarded) - (long) lastED > 0) {
                                sprintf(msglog, "<W> discarded events: %d", *my->evtsDiscarded - lastED);
                                storeLogInfo(theArgs, msglog);
                        }